
DOWNPIPES / UP-PIPES
Our range of products includes the JAMO 3" Turbo Down Pipe, PPE Passenger Side Up-Pipe, Three-Inch 304 Stainless Steel Down-Pipes, and High-Flow Manifolds and Up-Pipes Kits. Each product is expertly crafted for a precise fit and minimal pressure loss, ensuring that your vehicle operates at its peak performance levels.
Whether you have a 2001 GM 6.6L Duramax LB7 or a 2016 GM 6.6L Duramax LML, we have the perfect downpipes and up-pipes for your specific model. With durable construction and outstanding performance capabilities, our products are a reliable choice for any driving enthusiast.
Upgrade your ride today with our high-quality downpipes and up-pipes. Experience the difference in performance and power with our precision-designed products, guaranteed to take your driving experience to the next level.
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MAHLE F32918 EXHAUST UP-PIPE TO TURBO GASKET FOR 2001-2016 GM 6.6L DURAMAX ENGINE
MAHLE
$18.58AutoCare brands Id FLHQ AutoCare brand MAHLE Environmentally hazardous material No ACES applications available Yes Quantity per application 1 Each Minimum order 1 Each The MAHLE F32918 Exhaust Up-Pipe to Turbo Gasket is an essential component...$18.58 -
MAHLE F31903 EXHAUST MANIFOLD TO UP-PIPE GASKET FOR 2001-2016 GM 6.6L DURAMAX ENGINE
MAHLE
$11.80Item Grade OEM Standard Package Quantity 2 Exhaust Gasket Material Beaded Steel Additional Package Contents None The MAHLE F31903 Exhaust Manifold to Up-Pipe Gasket is expertly designed to meet the rigorous standards of the GM 6.6L Duramax engine...$11.80 -
PPE 116111200 MANIFOLDS AND UP-PIPES Y-PIPE (CA) FOR 02-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$1,613.79PPEs Manifolds and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are internally-sleeved, made from aircraft-grade 304 stainless steel and designed with an increased inner diameter FOR higher flow. The entire...$1,613.79 -
PPE 116111800 MANIFOLDS AND UP-PIPES Y-PIPE FOR 07.5-10 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$1,613.79PPEs Manifolds and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are internally-sleeved, made from aircraft-grade 304 stainless steel and designed with an increased inner diameter FOR higher flow. The entire...$1,613.79 -
PPE 116112000 MANIFOLDS AND UP-PIPES Y-PIPE FOR 11-16 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$1,613.79PPE High-Flow Manifold is made from high-sil moly cast iron. The PPE Up-Pipe bellows are internally sleeved, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter for higher flow. The entire Manifold and Up-Pipe exhaust...$1,613.79 -
PPE 116005062 STAINLESS STEEL 3" EXTENDED LENGTH DOWN PIPE T304 (T4 TURBO PEDESTAL AND T4 RISER BLOCK) 2008-2022 GM DURAMAX 6.6L
PACIFIC PERFORMANCE ENGINEERING
$259.02Three-Inch 304 Stainless Steel Down Pipe Extended Length FOR use with PPE T4 Turbo Pedestal and PPE T4 Riser Block. FOR big performance gains, use >PPEs Extended Length Down Pipe in conjunction with >PPEs T4 Riser Block (with or without wastegate)...$259.02 -
PPE 116120204 OEM LENGTH UP-PIPES EGR FOR 02-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$647.58Diesel engines (even stock) produce high temperatures and pressures. OEM up-pipes eventually fail from constant temperature and pressure fluctuation. PPE has taken OEM replacement to a new level. PPE OEM Up-Pipes allow 53 percent greater flow than stock...$647.58 -
PPE 116120607 OEM LENGTH UP-PIPES EGR FOR 06-07 GM DURAMAX 6.6L LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$647.58Diesel engines (even stock) produce high temperatures and pressures. OEM up-pipes eventually fail from constant temperature and pressure fluctuation. PPE has taken OEM replacement to a new level. PPE OEM Up-Pipes allow 53 percent greater flow than stock...$647.58 -
PPE 116112020 MANIFOLDS AND UP-PIPES-BLACK FOR 11-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$1,859.86The PPE 116112020 Manifolds and Up-Pipes-Black FOR the FOR 11-16 GM 6.6L Duramax LML engine are the ultimate solution to enhance your vehicle's performance. These high-quality components are 50 States Emissions Legal, ensuring compliance with all...$1,859.86 -
PPE 116112500 MANIFOLDS AND UP-PIPES-RAW FOR 17-21 GM DURAMAX 6.6L L5P
PACIFIC PERFORMANCE ENGINEERING
$1,942.77The PPE 116112500 Manifolds and Up-Pipes - Raw FOR 17-21 GM Duramax 6.6L L5P is a top-of-the-line upgrade FOR your vehicle, designed to enhance performance and durability. These high-flow manifolds are crafted from cast, high-sil moly, ensuring strength...$1,942.77 -
PPE 116119045 LEFT UP-PIPE DRIVER SIDE-LONG FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$323.78Crafted specifically FOR the FOR 01-16 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML engines, the PPE 116119045 LEFT UP-PIPE DRIVER SIDE-LONG is the ultimate solution to your damaged up-pipe needs. When your vehicle's performance is compromised due to a fault in...$323.78 -
PPE 116111035 EXHAUST MANIFOLD W/UP-PIPES (2001 CA, 01-04 FED) SILVER FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$1,541.2550 States Emissions Legal (E.O. D-701-34) PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally sleeved, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter FOR higher flow...$1,541.25 -
PPE 116111220 MANIFOLDS AND UP-PIPES-BLACK (CA) FOR 02-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$1,859.8650 States Emissions Legal (E.O. D-701-34) PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally sleeved, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter FOR higher flow...$1,859.86 -
PPE 116111235 MANIFOLDS AND UP-PIPES-Y PIPE-SILVER (CA) FOR 02-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$1,859.8650 States Emissions Legal (E.O. D-701-34) PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally sleeved, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter FOR higher flow...$1,859.86 -
PPE 116111420 MANIFOLDS AND UP-PIPES Y PIPE-BLACK FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$1,859.8650 States Emissions Legal (E.O. D-701-34) PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally sleeved, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter FOR higher flow...$1,859.86 -
PPE 116111435 MANIFOLDS AND UP-PIPES Y PIPE- SILVER FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$1,859.8650 States Emissions Legal (E.O. D-701-34) PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally sleeved, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter FOR higher flow...$1,859.86 -
PPE 116111620 MANIFOLDS AND UP-PIPES-BLACK FOR 06-07 GM DURAMAX 6.6L LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$1,859.8650 States Emissions Legal (E.O. D-701-34) PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally sleeved, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter FOR higher flow...$1,859.86 -
PPE 116111635 MANIFOLDS AND UP-PIPES-SILVER FOR 06-07 GM DURAMAX 6.6L LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$1,859.8650 States Emissions Legal (E.O. D-701-34) PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally sleeved, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter FOR higher flow...$1,859.86 -
PPE 116111820 MANIFOLDS AND UP-PIPES-BLACK FOR 07.5-10 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$1,859.8650 States Emissions Legal (E.O. D-701-34) PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally sleeved, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter FOR higher flow...$1,859.86 -
PPE 116111835 MANIFOLDS AND UP-PIPES-SILVER FOR 07.5-10 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$1,859.8650 States Emissions Legal (E.O. D-701-34) PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally sleeved, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter FOR higher flow...$1,859.86 -
PPE 116112035 MANIFOLDS AND UP-PIPES Y PIPE-SILVER FOR 11-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$1,859.86Experience enhanced performance with the PPE 116112035 Manifolds and Up-Pipes Y Pipe-Silver designed FOR FOR 11-16 GM 6.6L Duramax LML. PPE High-Flow Manifolds, crafted from cast high-sil moly, and Up-Pipes featuring internally sleeved bellows made from...$1,859.86 -
PPE 116112520 MANIFOLDS AND UP-PIPES-BLACK FOR 17+ GM DURAMAX 6.6L L5P
PACIFIC PERFORMANCE ENGINEERING
$2,188.86Features: Significant reduction in exhaust back-pressure Lower EGTs, better turbo efficiency and fuel economy Sil-moly cast iron construction Two-inch Free-Flow up-pipes with sleeved bellows Up-pipes compatible with factory heat shields Exhaust...$2,188.86 -
PPE 116112535 MANIFOLDS AND UP-PIPES-SILVER FOR 17+ GM DURAMAX 6.6L L5P
PACIFIC PERFORMANCE ENGINEERING
$2,188.86Features: Significant reduction in exhaust back-pressure Lower EGTs, better turbo efficiency and fuel economy Sil-moly cast iron construction Two-inch Free-Flow up-pipes with sleeved bellows Up-pipes compatible with factory heat shields Exhaust...$2,188.86 -
PPE 116121500 UP-PIPES BOLT SET (12PCS) FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$51.79Duramax: LB7, LLY, LBZ, LMM, LML (2001-2016)Features: OEM design with washers. Thread length increased to accommodate washer thickness. Two screws are 5 mm longer to accommodate the downpipe mounting bracket. Our design preserves thread engagement...$51.79 -
PPE 117000800 THREE-INCH 304 STAINLESS STEEL DOWN PIPES FOR 17-23 GM 6.6L DURAMAX L5P
PACIFIC PERFORMANCE ENGINEERING
$284.93Upgrade your L5P Duramax with the PPE Free-Flow Downpipe and eliminate the rusted, restrictive factory design. The PPE Down Pipe highlights unrestricted 3.5-inch diameter flow path, fully machined and TIG welded upper flange with factory-style V-band,...$284.93 -
PPE 118062050 GASKET SET UP-PIPES STAINLESS-STEEL (4 PCS) FOR 17-23 GM 6.6L DURAMAX L5P
PACIFIC PERFORMANCE ENGINEERING
$51.79This 4-piece kit is constructed of multi-layered 301 stainless steel. The rolled edge creates a tight seal between the manifold and the turbo inlet. PPE Up-Pipe Gaskets perform better during extreme changes in temperature, ensuring a leak-free seal. Fits...$51.79 -
ATS 204-138-4248 DIRECT REPLACEMENT UP-PIPE KIT FOR 01-10 GM 2500HD/3500HD WITH 6.6L DURAMAX
ATS DIESEL
$803.38Up Pipe Kit, Direct Replacement, Both Driver and Passenger Sides, 6.6L Duramax, Includes Hardware and Gaskets.Details: 6.6L Duramax Up Pipe Kit Direct Replacement Driver and Passenger Sides Includes Hardware and Gaskets Sold As A Kit SKU: 2041384248 ...$803.38 -
AFE 49-44034 MACH FORCE-XP 3" STAINLESS STEEL TURBO DOWN-PIPE FOR 04-10 GM 6.6L DURAMAX
AFE POWER
$595.79The AFE 49-44034 MACH Force-XP Turbo Down-Pipe is the ultimate performance upgrade for GM Diesel Trucks from 2004 to 2010 with a V8-6.6L engine (td) including LMM, LBZ, and LLY models. Crafted to excel in challenging conditions, this down-pipe boasts a...$595.79 -
AFE 49-44113 MACH FORCE-XP TURBO DOWN-PIPE (3" 409 STAINLESS STEEL) 15.5-16 GM DIESEL TRUCKS V8-6.6L
AFE POWER
$535.22The AFE 49-44113 MACH Force-Xp Turbo Down-Pipe is a high-performance upgrade designed specifically for 2015-2016 GM Diesel Trucks equipped with the Duramax V8 6.6L engine. Crafted from 3” mandrel-bent 409 stainless steel, this down-pipe offers...$535.22 -
AFE 49-44095 MACH FORCE-XP TURBO DOWN-PIPE (3" 409 STAINLESS STEEL) FOR 11-15 GM 6.6L DURAMAX
AFE POWER
$563.48The AFE 49-44095 MACH Force-Xp Turbo Down-Pipe is the ultimate upgrade for your 2011-2015 GM Truck with V8-6.6L (td) engine. Engineered to outperform the factory down-pipe, this turbo down-pipe is designed to enhance flow and performance, providing you...$563.48 -
AFE 49-04093 ATLAS TURBO DOWN-PIPE (3" STEEL) FOR 01-04 GM 6.6L DURAMAX
AFE POWER
$355.70Optimize your 01-04 LB7 GM diesel’s airflow and performance with aFe’s ATLAS 3” Turbo Down-Pipe. Crafted from 3" mandrel bent steel tubing, this down-pipe enhances flow efficiency with smooth transition bends for improved throttle response.The ATLAS...$355.70 -
BANKS 48631 HEAD PIPE KIT MONSTER TURBINE OUTLET PIPE FOR 01-04 GM DURAMAX 6.6L LB7
BANKS
$281.43The head pipe is one of the biggest restrictions in your vehicle's exhaust system. Pushing air out of the turbocharger wastes power that should be going to the drive wheels. Monster head pipe provides a restriction-free path out of the turbocharger for...$281.43 -
MAGNAFLOW 15399 DOWN-PIPE 4IN - 06-07 GM DIESEL 6.6L
MAGNAFLOW
$269.11Elevate your GM diesel’s performance with the MAGNAFLOW 15399 Downpipe, specially crafted for the 2006-2007 6.6L diesel models. This 4-inch diameter mandrel-bent downpipe is engineered for optimal airflow, ensuring that your vehicle can breathe freely...$269.11 -
MBRP GMCA424 3" Turbo Downpipe for 2004.5-2010 GM with 6.6L Duramax LLY/LBZ/LMM
MBRP
$280.61Aluminized Steel 3 Inch Down Pipe Blk Series Chev/GMC 3 Inch Down Pipe Replace that restrictive factory downPipe with a MBRP direct replacement downPipe for more flow, fuel economy, and better performance. While the search for more power for your LLY,...$280.61 -
MBRP GM8427 CHEV/GMC DURAMAX 6.6L3 INCH TURBO DOWN PIPE FOR 2011-2015 SILVERADO/SIERRA 2500/3500 DURAMAX
MBRP
$381.35Aluminized Steel 3 Inch Turbo Down Pipe Chev/GMC Duramax 6.6L,3 Inch Turbo Down Pipe Replace that restrictive factory downPipe with a MBRP direct replacement downPipe for more flow, fuel economy, and better performance. 2011-2015 Chev/GMC-6.6L Duramax 3...$381.35 -
MBRP GMCA425 3 INCH TURBO DOWN PIPE-CARB FOR 2001-2004 GM WITH 6.6L DURAMAX LB7
MBRP
$381.35Aluminized Steel 3 Inch Turbo Down Pipe-Carb EO # D-763-2 3 Inch Turbo Down Pipe-Carb EO Num. D-763 2001-2004 Chev/GMC-6.6L Duramax 3 Inch Turbo Down Pipe-Carb EO # D-763 2001-2004 Chevrolet/GMC Duramax 2500/3500 Fits Early 2004 models For over 20 years...$381.35 -
MBRP GMCA427 3 INCH TURBO DOWN PIPE-CARB FOR 2011-2015 GM WITH 6.6L DURAMAX ENGINE LML
MBRP
$381.35Aluminized Steel 3 Inch Turbo Down Pipe-Carb EO # D-763-2 3 Inch Turbo Down Pipe-Carb EO Num. D-763 2011-2015 Chev/GMC-6.6L Duramax 3 Inch Turbo Down Pipe-Carb EO # D-763 2011-2015 Chevrolet/GMC Duramax 2500/3500 Will not work with a 3 bolt flange style...$381.35 -
MBRP GM8428 ALUMINIZED 3 INCH TURBO DOWN PIPE FOR 2015-2016 GM SILVERADO/SIERRA WITH 6.6L DURAMAX ENGINE
MBRP
$388.54Aluminized Steel 3 Inch Down Pipe Chev/GMC Duramax 6.6L,3 Inch Turbo Down Pipe Replace that restrictive factory downPipe with a MBRP direct replacement downPipe for more flow, fuel economy, and better performance. 2015-2016 Chev/GMC-6.6L Duramax 3 Inch...$388.54 -
DIAMOND EYE 321056 ALUMINIZED 3" DOWNPIPE WITH THERMAL WRAP FOR 04-10 CHEVY/GMC 6.6L DURAMAX LLY/LBZ/LMM
DIAMOND EYE MANUFACTURING
$316.93Enhance the performance of your 2004-2010 Chevy/GMC 6.6L LLY, LBZ, or LMM Duramax engine with the Diamond Eye 321056 Turbo Direct Down Pipe. This high-quality downpipe is designed to maximize exhaust flow and optimize turbocharger efficiency for...$316.93 -
PPE 116120710 HIGH FLOW UP PIPES, OEM LENGTH REPLACEMENT FOR 07.5-10 6.6L LMM DURAMAX
PACIFIC PERFORMANCE ENGINEERING
$647.58Features: 46% larger flow area over stock Manufactured from 11 gauge 304 stainless steel 304 stainless steel, internally-sleeved bellows Direct bolt-on replacement Includes 301 stainless steel gaskets 50 States...$647.58 -
WEHRLI WCF100129 17-22 CHEVROLET/GMC 6.6L L5P DURAMAX 3.5IN DOWN PIPE
WEHRLI CUSTOM FABRICATION
$445.30Enhance the performance and efficiency of your 2017-2024 Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck equipped with the L5P 6.6L Duramax engine with the WEHRLI WCF100129 3.5" Down Pipe. Designed to replace the restrictive factory downpipe/front...$445.30 -
WEHRLI WCF100240 01-16 CHEVROLET 6.6L LB7/LLY/LBZ/LMM/LML DURAMAX UP PIPE BOLT KIT
WEHRLI CUSTOM FABRICATION
$48.86The WCFab ARP Bolt Kit for 2001-2016 Duramax Up Pipes or LB7 Turbo Down Pipes is comprised of 6 specially selected high strength 12 point ARP fasteners and matched washers with a pack of assembly lube and are designed as an upgrade to the aging OEM...$48.86 -
WEHRLI WCF100199 17-22 CHEVROLET/GMC 6.6L L5P DURAMAX UP PIPE BOLT KIT
WEHRLI CUSTOM FABRICATION
$79.57The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high-strength ARP fasteners and matched washers with a pack of assembly lube are designed as an upgrade to the smaller and failure prone 8mm OEM fasteners employed on the 2017 and newer...$79.57 -
WEHRLI WCF100705 15.5-16 CHEVROLET 6.6L LML DURAMAX 3IN STAINLESS DOWN PIPE (3 BOLT FLANGE)
WEHRLI CUSTOM FABRICATION
$487.18Replace the restrictive crushed factory down pipe on your 2015.5-2016 LML Duramax with this full 3" Stainless steel down pipe. For use with factory turbo or factory style drop in turbo on trucks with the 3 bolt flange exhaust connection. Replaces the...$487.18 -
WEHRLI WCF100704 11-15 CHEVROLET 6.6L LML DURAMAX 3IN STAINLESS DOWN PIPE (V-BAND STYLE)
WEHRLI CUSTOM FABRICATION
$361.55Replace the restrictive crushed factory down pipe on your 2011-2016 LML Duramax with this full 3" Stainless Steel down pipe. For use with factory turbo or factory style drop in turbo on trucks using a v-band connection style exhaust, NOT the 3 bolt...$361.55 -
WEHRLI WCF100703 04.5-10 CHEVROLET 6.6L LLY/LBZ/LMM DURAMAX 3IN STAINLESS DOWN PIPE
WEHRLI CUSTOM FABRICATION
$328.04Replace the restrictive crushed factory turbo down pipe / exhaust front pipe on the 6.6L Duramax Diesel V8 found in the 2004.5 - 2010 Chevrolet Silverado / GMC Sierra 2500 / 3500 HD truck with this high flow, heat wrapped, full 3" Stainless steel down...$328.04 -
WEHRLI WCF100654 01-04 CHEVROLET 6.6L DURAMAX LB7 2IN STAINLESS PASS. SIDE UP PIPE W/GASKETS (SINGLE TURBO)
WEHRLI CUSTOM FABRICATION
$445.30Replace the lightweight 16G, leak-prone passenger side OEM up pipe in your 2001-2004 6.6L LB7 Duramax with this heavy-duty 11 gauge 2" Stainless up pipe from WCFab. Our HD Stainless Bellow that will not crack and leak like OEM. Larger diameter and better...$445.30 -
WEHRLI WCF100652 01-16 CHEVROLET 6.6L DURAMAX 2IN STAINLESS DRIVER SIDE UP PIPE W/GASKETS (SINGLE/TWIN TURBO)
WEHRLI CUSTOM FABRICATION
$445.30Replace the lightweight 16G, leak-prone Driver side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellow that will not crack and leak like OEM. Increase Turbo spool up and decrease EGTs. Will work with ANY Turbo setup,...$445.30 -
WEHRLI WCF100648 01-04 CHEVROLET 6.6L DURAMAX LB7 2IN STAINLESS PASSENGER SIDE UP PIPE W/GASKETS (TWIN TURBO)
WEHRLI CUSTOM FABRICATION
$445.30Replace the lightweight, leak-prone passenger side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGTs. This up pipe is built with more...$445.30 -
WEHRLI WCF100624 17-22 CHEVROLET 6.6L L5P DURAMAX 2IN STAINLESS UP PIPE KIT W/GASKETS
WEHRLI CUSTOM FABRICATION
$914.33Replace the lightweight 16G, leak prone, 1 5/8" OEM up pipes on your 2017-2025 6.6L L5P Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck with these heavy duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not...$914.33 -
WEHRLI WCF100590 01-04 CHEVROLET 6.6L DURAMAX LB7 2IN STAINLESS UP PIPE KIT W/GASKETS - SINGLE TURBO
WEHRLI CUSTOM FABRICATION
$830.58Replace the lightweight 16G, leak-prone, 1 5/8" OEM up pipes with these heavy-duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGTs. This kit is for use with single...$830.58 -
WEHRLI WCF100589 01-04 CHEVROLET 6.6L DURAMAX LB7 2IN STAINLESS UP PIPE KIT W/GASKETS - TWIN TURBO
WEHRLI CUSTOM FABRICATION
$830.58High Flow Intake Bundle Package for 2003-2007 5.9L Cummins. Saves $29.00 vs buying components individually! This Kit Includes: WCF100544 - 3" Passenger Side Intercooler Pipe WCF100528 - 3.5" Driver Side Intercooler Pipe and Intake Horn Kit Replaces the...$830.58 -
WEHRLI WCF100121 11-15 CHEVROLET 6.6L LML DURAMAX 3IN DOWN PIPE (V-BAND STYLE)
WEHRLI CUSTOM FABRICATION
$305.71Replace the restrictive crushed factory down pipe with this full 3" down pipe. For use with factory turbo or factory style drop in turbo. Replaces the following GM Part Numbers: 12643610, 12638304, 12643214 Note: 2015.5 and newer LML have a 3...$305.71 -
WEHRLI WCF100120 04.5-10 CHEVROLET 6.6L LLY/LBZ/LMM DURAMAX 3IN DOWN PIPE
WEHRLI CUSTOM FABRICATION
$272.21Replace the restrictive crushed factory turbo down pipe / exhaust front pipe on the 6.6L Duramax Diesel V8 found in the 2004.5 - 2010 Chevrolet Silverado / GMC Sierra 2500 / 3500 HD truck with this high flow, heat wrapped, high temp ceramic coated full...$272.21 -
WEHRLI WCF100119 01-04 CHEVROLET 6.6L LB7 DURAMAX 3IN DOWN PIPE
WEHRLI CUSTOM FABRICATION
$319.673" LB7 Turbo Downpipe for use with OEM charger or Stealth series Drop in. High Temp Coated and Heat Wrap included. Compatible with both Standard & California Style Exhaust Flange. Replaces the following GM Part...$319.67 -
AFE POWER 48-34009 TWISTED STEEL HEADERS, UP PIPES FOR 01-04 GM 6.6L DURAMAX LB7 W/FEDERAL EMISSIONS
AFE POWER
$1,070.43Enhance the performance and reliability of your 2001-2004 GM 6.6L Duramax LB7 with the AFE POWER 48-34009 Twisted Steel Headers and Up Pipes. Expertly crafted from high-quality 304 stainless steel tubing, these headers feature a robust .120” wall...$1,070.43 -
AFE POWER 48-34137 TWISTED STEEL HEADERS, UP-PIPES & DOWN PIPE FOR 15-16 GM 6.6L DURAMAX LML
AFE POWER
$3,450.65Enhance the performance of your 2015-2016 GM 6.6L Duramax LML with the AFE POWER 48-34137 Twisted Steel Headers, Up-Pipes & Down Pipe kit. This comprehensive bolt-on kit is designed to replace your stock manifolds, up-pipes, and down-pipe, allowing for...$3,450.65 -
AFE POWER 48-34139 TWISTED STEEL HEADERS, UP-PIPES & DOWN PIPE FOR 11-15 GM 6.6L DURAMAX LML
AFE POWER
$3,450.65Experience unmatched performance and durability with the aFe Power 48-34139 Twisted Steel Headers, Up-pipes, and Down Pipe kit for 2011-2015 GM 6.6L Duramax LML engines. This comprehensive package is designed to elevate your vehicle's exhaust system,...$3,450.65 -
AFE POWER 48-34009-PK TWISTED STEEL UP-PIPES & EXHAUST MANIFOLDS FOR 01-04 GM 6.6L DURAMAX LB7 W/FEDERAL EMISSIONS
AFE POWER
$1,830.05Enhance the performance and efficiency of your 2001-2004 GM 6.6L Duramax LB7 with the AFE POWER 48-34009-PK Twisted Steel Up-Pipes & Exhaust Manifolds. Designed to outflow factory exhaust manifolds by an impressive 6%, these up-pipes significantly...$1,830.05 -
AFE POWER 49-04034 ATLAS 3" STEEL DOWNPIPE FOR 04.5-10 GM DURAMAX 6.6L
AFE POWER
$260.97Enhance the performance of your GM diesel truck with the AFE POWER 49-04034 ATLAS 3 IN STEEL DOWNPIPE. Crafted from 3" mandrel-bent steel tubing, this turbo down-pipe ensures smoother airflow transitions for quicker turbo spool times. It's the perfect...$260.97 -
BD DIESEL 1043803 UP-PIPE PASSENGER SIDE FOR 01-04 GM 2500HD/3500HD WITH 6.6L LB7 DURAMAX
BD DIESEL
$423.02The BD Diesel 1043803 Up-Pipe Passenger Side for 2001-2004 Duramax LB7 6.6L models is a reliable solution to the common issue of factory exhaust up-pipes developing leaks over time. These up-pipes, connecting the exhaust manifold to the turbo, are prone...$423.02 -
BD DIESEL 1043800 UP-PIPES KIT FOR 01-04 GM 2500HD/3500HD WITH 6.6L LB7 DURAMAX
BD DIESEL
$853.31The BD Diesel 1043800 Up-Pipes Kit for 2001-2004 GM Duramax 6.6L LB7 engines is the ultimate solution for replacing the factory exhaust up-pipes that are prone to leakage and deterioration. By upgrading to BD Diesel up-pipes, you can say goodbye to...$853.31 -
PPE 116122000 OEM LENGHT REPLACEMENT HIGH FLOW UP-PIPE FOR 17-21 GM 6.6L DURAMAX L5P
PACIFIC PERFORMANCE ENGINEERING
$388.54Experience enhanced performance and power with the PPE 116122000 OEM Length Replacement High Flow Up-Pipe FOR FOR 17-21 GM 6.6L Duramax L5P engines. Crafted from premium 304 stainless steel, these high-flow up-pipes are the perfect solution to replace...$388.54 -
PPE 116120405 OEM LENGTH REPLACEMENT HIGH FLOW UP-PIPES FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$647.58Up-Pipes, Drivers Side, Passenger Side - OEM Replacements – Duramax 6.6L – LLY CA_(EGR) PPE has taken OEM replacement to a new level. All PPE OEM Up-Pipes allow 53% greater flow than stock. PPE OEM Up-Pipes are a direct bolt-on to your...$647.58 -
PPE 116121115 OEM LENGTH REPLACEMENT HIGH FLOW UP-PIPES FOR 11-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$647.58PPE has taken OEM replacement to a new level. All PPE OEM Up-Pipes allow 53% greater flow than stock. PPE OEM Up-Pipes are a direct bolt-on to your factory manifolds. Unlike factory parts, PPE OEM Up-Pipe is manufactured from 11-gauge 304 stainless steel...$647.58 -
PPE 116111400 HIGH FLOW EXHAUST MANIFOLDS AND UP-PIPES KIT-FEDERAL Y-PIPE RAW FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$1,613.79High-Flow Manifolds and Up-Pipes Kit GM 2004.5-2005 FED Y-Pipe LLY PPE’s Manifolds and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are internally-sleeved, made from aircraft-grade 304 stainless steel and...$1,613.79 -
PPE 116111000 HIGH-FLOW MANIFOLDS AND UP-PIPES KIT (2001 CA, 01-04 FED) RAW FINISH FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$1,295.18PPE’s Manifolds and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are internally-sleeved, made from aircraft-grade 304 stainless steel and designed with an increased inner diameter FOR higher flow. The entire...$1,295.18 -
PPE 116110505 DOWN-PIPE SUPPORT BRACKET-OEM LENGTH UP-PIPES FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$45.32If you have original GM Manifolds and PPE Up-Pipes, this bracket (stay) secures your PPE Down-Pipe and prevents movement. An unsecured Down-Pipe that moves can come in contact and damage the Up-Pipe bellow even under normal driving conditions. This...$45.32 -
PPE 116120005 REPLACEMENT UP-PIPE (DRIVER SIDE) FOR OEM EXHAUST MANIFOLD FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$194.26Elevate your driving experience with the PPE 116120005 Replacement Up-Pipe (Driver Side) FOR OEM Exhaust Manifold, designed FOR FOR 01-16 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML models. PPE sets a new standard in OEM replacement parts by offering up to 53%...$194.26 -
PPE 118062030 UP-PIPE GASKETS (4 PCS) FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$38.84Product Name: PPE 118062030 UP-PIPE GASKETS (4 PCS) FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML This 4-piece kit is constructed of multi-layered 301 stainless steel. The rolled edges create a tight seal at the manifold and turbo inlets. PPE...$38.84 -
PPE 116110510 DOWNPIPE SUPPORT BRACKET (WITH PPE MANIFOLDS) FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$32.37If you have PPE Manifolds and Up-Pipes, this bracket (stay) secures your PPE Down-Pipe and prevents movement. An unsecured Down-Pipe that moves can come in contact and damage the Up-Pipe bellow even under normal driving conditions. This movement can also...$32.37 -
PPE 116111600 MANIFOLDS AND UP-PIPES Y-PIPE FOR 06-07 GM DURAMAX 6.6L LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$1,613.79PPEs Manifolds and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are internally-sleeved, made from aircraft-grade 304 stainless steel and designed with an increased inner diameter FOR higher flow. The entire...$1,613.79 -
PPE 117000400 THREE-INCH 304 STAINLESS STEEL DOWN-PIPE (FEDERAL EMISSIONS) FOR 01-04 GM 6.6L DURAMAX LB7
PACIFIC PERFORMANCE ENGINEERING
$246.07The factory downpipe is constructed from two pieces of formed sheet metal welded to an oval pipe. The factory design features a sharp, abrupt transition immediately after the turbine flange, which restricts exhaust flow and impedes performance. Upgrade...$246.07 -
PPE 117000424 THREE-INCH 304 STAINLESS STEEL DOWN-PIPE (CA) FOR 02-04 GM 6.6L DURAMAX LB7
PACIFIC PERFORMANCE ENGINEERING
$246.07Remove your crushed oval-shaped stock down-pipe and replace it with a smooth, round, long-lasting full 304 stainless steel Down-Pipe from PPE. Includes gasket and a woven titanium sleeve to reduce engine bay temperatures. Down Pipe Kit includes gasket...$246.07 -
PPE 117000500 THREE-INCH 304 STAINLESS STEEL DOWN-PIPE FOR 04.5-10 GM 6.6L DURAMAX LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$194.26The factory LLY/LBZ/LMM down pipe makes an abrupt directional change immediately after the turbine flange, which restricts exhaust flow and impedes performance. It also features crushed piping which can further impede exhaust flow. Upgrade your Duramax...$194.26 -
PPE 117000600 THREE-INCH 304 STAINLESS STEEL DOWN-PIPE FOR 11-14 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$220.17The factory LML down pipe makes an abrupt directional change immediately after the turbine flange, which restricts exhaust flow and impedes performance. The indentations in the piping can further impede exhaust flow. Upgrade your Duramax with the PPE...$220.17 -
PPE 117000700 THREE-INCH 304 STAINLESS STEEL DOWN-PIPE FOR 14.5-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$233.12The factory LML down pipe makes an abrupt directional change immediately after the turbine flange, which restricts exhaust flow and impedes performance. The indentations in the piping can further impede exhaust flow. Upgrade your Duramax with the PPE...$233.12 -
PPE 116119050 PASSENGER SIDE UP-PIPE ( FOR PPE MANIFOLDS ONLY) FOR 01-04 GM 6.6L DURAMAX LB7
PACIFIC PERFORMANCE ENGINEERING
$323.78Bolt-on passenger side replacement PPE High-Flow Up-Pipe (non-OEM). Up-Pipe bellow is internally-sleeved, made from aircraft-grade 304 stainless steel and designed with an increased inner diameter FOR higher flow. Up-Pipe gaskets not included.Features: ...$323.78 -
PPE 116120000 OEM LENGTH REPLACEMENT HIGH FLOW UP-PIPES (01 CA & 01-04 FEDERAL EMISSIONS) FOR 01-04 GM 6.6L DURAMAX LB7
PACIFIC PERFORMANCE ENGINEERING
$388.54Diesel engines (even stock) produce high temperatures and pressures. OEM up-pipes eventually fail from constant temperature and pressure fluctuation. PPE has taken OEM replacement to a new level. PPE OEM Up-Pipes allow 53 percent greater flow than stock...$388.54 -
PPE 116120010 PASSENGER SIDE UP-PIPE (FEDERAL EMISSIONS) FOR 01-04 GM 6.6L DURAMAX LB7
PACIFIC PERFORMANCE ENGINEERING
$246.07Diesel engines (even stock) produce high temperatures and pressures. OEM up-pipes eventually fail from constant temperature and pressure fluctuation. These PPE up-pipes are designed and manufactured as replacement up-pipes FOR PPE High Flow up-pipe kits...$246.07