15.5+ DURAMAX EXHAUST SYSTEM
Enhance the performance and sound of your vehicle with our wide selection of 15.5+ Duramax Exhaust Systems. Designed specifically for GM Duramax 6.6L L5P engines, these exhaust systems are a perfect upgrade for diesel truck enthusiasts looking for improved power, torque, and fuel efficiency.
Our range of Duramax exhaust systems includes options from top brands like Banks, MBRP, and AFE, ensuring high-quality construction and performance. Whether you prefer a black or chrome tip, aluminized steel, or stainless steel construction, we have the perfect exhaust system to suit your needs and style preferences.
These exhaust systems are designed to optimize exhaust flow, minimize back pressure, and reduce exhaust temperatures, resulting in increased horsepower and torque gains. You can also expect a deeper and more aggressive exhaust note that will turn heads wherever you go.
Installation of these Duramax exhaust systems is straightforward and can typically be done with basic hand tools in your own garage. With the added benefit of improved fuel efficiency, these exhaust systems are a smart investment for both performance enthusiasts and daily drivers.
Upgrade your GM Duramax 6.6L L5P engine with a high-quality exhaust system from our selection and experience the difference in power, sound, and overall driving performance. Drive with confidence knowing that your vehicle is equipped with the best exhaust system on the market.
Our range of Duramax exhaust systems includes options from top brands like Banks, MBRP, and AFE, ensuring high-quality construction and performance. Whether you prefer a black or chrome tip, aluminized steel, or stainless steel construction, we have the perfect exhaust system to suit your needs and style preferences.
These exhaust systems are designed to optimize exhaust flow, minimize back pressure, and reduce exhaust temperatures, resulting in increased horsepower and torque gains. You can also expect a deeper and more aggressive exhaust note that will turn heads wherever you go.
Installation of these Duramax exhaust systems is straightforward and can typically be done with basic hand tools in your own garage. With the added benefit of improved fuel efficiency, these exhaust systems are a smart investment for both performance enthusiasts and daily drivers.
Upgrade your GM Duramax 6.6L L5P engine with a high-quality exhaust system from our selection and experience the difference in power, sound, and overall driving performance. Drive with confidence knowing that your vehicle is equipped with the best exhaust system on the market.
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PPE 117010350 304 STAINLESS STEEL CAT BACK PERFORMANCE EXHAUST SYSTEM WITH POLISHED TIP 2007.5-2019 GM 6.6L DURAMAX LMM/LML/L5P
PACIFIC PERFORMANCE ENGINEERING
$539.994 Inch 304 stainless steel high-flowing Cat Back system single exhaust. Turbo-charged engines need as little exhaust restriction as possible in order for the turbo to spool up faster and work more efficiently. Install our new reduced-restriction exhaust...$539.99 -
PPE 117020100 304 STAINLESS STEEL FOUR INCH PERFORMANCE EXHAUST UPGRADE POLISHED 2007.5-2019 GM 6.6L DURAMAX LMM/LML/L5P
PACIFIC PERFORMANCE ENGINEERING
$179.99Keep your trucks good looks going with this stylish upgrade. This kit contains an elbow turn-out pipe and a 5 inch exhaust tip, both of which are made out of premium 304 stainless steel. The no-weld, clamp-on install can be done in minutes to give you an...$179.99 -
PPE 117020120 304 STAINLESS STEEL FOUR INCH PERFORMANCE EXHAUST UPGRADE BLACK 2007-2019 GM 6.6L DURAMAX LMM/LML/L5P
PACIFIC PERFORMANCE ENGINEERING
$179.99Keep your trucks good looks going with this stylish upgrade. This kit contains an elbow turn-out pipe and a 5 inch exhaust tip, both of which are made out of premium 304 stainless steel. The no-weld, clamp-on install can be done in minutes to give you an...$179.99 -
PPE 117020200 304 STAINLESS STEEL FOUR INCH PERFORMANCE EXHAUST UPGRADE POLISHED 2020-2024 GM 6.6L DURAMAX L5P
PACIFIC PERFORMANCE ENGINEERING
$179.99This affordable exhaust upgrade kit boosts the performance and appearance of your 6.6L Duramax. It features a 4 inch elbow and a 5 inch polished or black exhaust tip that relocates the exhaust exit to the side of your truck. The premium 304 stainless...$179.99 -
PPE 117020220 304 STAINLESS STEEL FOUR INCH PERFORMANCE EXHAUST UPGRADE BLACK 2020-2024 GM 6.6L DURAMAX L5P
PACIFIC PERFORMANCE ENGINEERING
$197.992020+ GM 6.6L Duramax 304 Stainless Steel Four Inch Performance Exhaust Upgrade Black$197.99 -
AFE 49-44126-P Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 20-23 V8-6.6L (td) L5P
AFE POWER
$712.004" 409 Stainless Steel Construction:This DPF-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability. Dual 5" Diameter Polished Intercooled Exhaust Tips:Finishing off this exhaust system are...$712.00 -
AFE 49-04041-P ATLAS 5 IN Aluminized Steel DPF-Back Exhaust System GM Diesel Trucks 11-16 V8-6.6L (td) LML
AFE POWER
$585.00Interested in a new exhaust system for your LML Duramax? Check out the ATLAS DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit...$585.00 -
AFE 49-44080-P Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 2016 V8-6.6L (td) LML
AFE POWER
$865.00Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet...$865.00 -
AFE 49-44080-B Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 2016 V8-6.6L (td) LML
AFE POWER
$954.00Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet...$954.00 -
AFE 49-04080-P ATLAS 4 IN Aluminized Steel DPF-Back Exhaust System GM Diesel Trucks 2016 V8-6.6L (td) LML
AFE POWER
$785.00Interested in a new exhaust system for your LML Duramax? Check out the ATLAS dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This...$785.00 -
AFE 49-04080-B ATLAS 4 IN Aluminized Steel DPF-Back Exhaust System GM Diesel Trucks 2016 V8-6.6L (td) LML
AFE POWER
$865.00Interested in a new exhaust system for your LML Duramax? Check out the ATLAS Dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This...$865.00 -
AFE 49-44041-B Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 11-16 V8-6.6L (td) LML
AFE POWER
$712.00Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers...$712.00 -
AFE 49-44041-P Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 11-16 V8-6.6L (td) LML
AFE POWER
$645.00Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers...$645.00 -
AFE 49-44041 Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 11-16 V8-6.6L (td) LML
AFE POWER
$585.00Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers...$585.00 -
AFE 49-44043-B Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System BLACK TIPS GM Diesel Trucks 11-16 V8-6.6L LML
AFE POWER
$954.00Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet...$954.00 -
AFE 49-44043-P Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 11-16 V8-6.6L LML
AFE POWER
$865.00Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet...$865.00 -
AFE 49-44081-P Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 2016 V8-6.6L (td) LML
AFE POWER
$645.00Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers...$645.00 -
AFE 49-44081-B Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System BLACK TIP GM Diesel Trucks 2016 V8-6.6L (td) LML
AFE POWER
$712.00Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers...$712.00 -
AFE 49-04043-B ATLAS 4 IN Aluminized Steel DPF-Back Exhaust System BLACK TIP GM Diesel Trucks 11-16 V8-6.6L (td) LML
AFE POWER
$865.00Interested in a new exhaust system for your LML Duramax? Check out the ATLAS Dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This...$865.00 -
AFE 49-04043-P ATLAS 4 IN Aluminized Steel DPF-Back Exhaust System GM Diesel Trucks 11-16 V8-6.6L (td) LML
AFE POWER
$785.00Interested in a new exhaust system for your LML Duramax? Check out the ATLAS dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This...$785.00 -
AFE 49-04086-P ATLAS 4 IN Aluminized Steel DPF-Back Exhaust System GM Diesel Trucks 17-19 V8-6.6L (td) L5P
AFE POWER
$785.00Interested in a new exhaust system for your L5P Duramax? Check out the ATLAS dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This...$785.00 -
AFE 49-04086-B ATLAS 4 IN Aluminized Steel DPF-Back Exhaust System BLACK TIP GM Diesel Trucks 17-19 V8-6.6L (td) L5P
AFE POWER
$865.00Interested in a new exhaust system for your L5P Duramax? Check out the ATLAS dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This...$865.00 -
AFE 49-04085-P ATLAS 5 IN Aluminized Steel DPF-Back Exhaust System GM Diesel Trucks 17-19 V8-6.6L (td) L5P
AFE POWER
$585.00Simple Installation:All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal:High quality band clamps are included for a complete 360 degree sealing surface. OE Fit:OE-style bayonet hangers are used to...$585.00 -
AFE 49-04085 ATLAS 5 IN Aluminized Steel DPF-Back Exhaust System GM Diesel Trucks 17-19 V8-6.6L (td) L5P
AFE POWER
$645.00Simple Installation:All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal:High quality band clamps are included for a complete 360 degree sealing surface. OE Fit:OE-style bayonet hangers are used to...$645.00 -
AFE 49-44086-P Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 17-19 V8-6.6L (td) L5P
AFE POWER
$785.00Interested in a new exhaust system for your L5P Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet...$785.00 -
AFE 49-44086-B Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 17-19 V8-6.6L (td) L5P
AFE POWER
$865.00Interested in a new exhaust system for your L5P Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet...$865.00 -
AFE 49-04041-B ATLAS 5 IN Aluminized Steel DPF-Back Exhaust System GM Diesel Trucks 11-16 V8-6.6L (td) LML
AFE POWER
$645.00Interested in a new exhaust system for your LML Duramax? Check out the ATLAS DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit...$645.00 -
AFE 49-04081-P ATLAS 5 IN Aluminized Steel DPF-Back Exhaust System GM Diesel Trucks 2016 V8-6.6L (td) LML
AFE POWER
$585.00Interested in a new exhaust system for your LML Duramax? Check out the ATLAS DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit...$585.00 -
AFE 49-04081-B ATLAS 5 IN Aluminized Steel DPF-Back Exhaust System GM Diesel Trucks 2016 V8-6.6L (td) LML
AFE POWER
$645.00Interested in a new exhaust system for your LML Duramax? Check out the ATLAS DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit...$645.00 -
AFE 49-44089-P Rebel XD Series 4" 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 17-19 V8-6.6L (td) L5P
AFE POWER
$860.48Simple Installation:All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal:High quality band clamps are included for a complete 360-degree sealing surface. OE Fit:OE-style bayonet hangers are used to...$860.48 -
AFE 49-4089-B Rebel XD Series 4" 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 17-19 V8-6.6L (td) L5P
AFE POWER
$949.41Simple Installation:All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal:High quality band clamps are included for a complete 360-degree sealing surface. OE Fit:OE-style bayonet hangers are used to...$949.41 -
AFE 49-04041 ATLAS 5 IN Aluminized Steel DPF-Back Exhaust System NO TIP GM Diesel Trucks 11-16 V8-6.6L (td) LML
AFE POWER
$412.34Interested in a new exhaust system for your LML Duramax? Check out the ATLAS DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit...$412.34 -
AFE 49-44085-B Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 17-19 V8-6.6L (td) L5P
AFE POWER
$582.12Simple Installation:All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal:High quality band clamps are included for a complete 360-degree sealing surface. OE Fit:OE-style bayonet hangers are used to...$582.12 -
AFE 49-44085-P Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 17-19 V8-6.6L (td) L5P
AFE POWER
$554.40Simple Installation:All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal:High quality band clamps are included for a complete 360-degree sealing surface. OE Fit:OE-style bayonet hangers are used to...$554.40 -
AFE 49-44125-P Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System GM Diesel Trucks 20-23 V8-6.6L (td) L5P
AFE POWER
$527.846" Diameter Polished Intercooled Exhaust Tip:Finishing off this exhaust system is a 6" diameter polished 304 stainless steel intercooled clamp-on exhaust tip. The tip features an aFe POWER logo plate riveted on for a unique style. Installation:Some...$527.84 -
AFE 49-44125-B Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System BLACK TIP GM Diesel Trucks 20-23 V8-6.6L (td) L5P
AFE POWER
$554.405" 409 Stainless Steel Construction:This DPF-back exhaust system is constructed of 5" mandrel-bent 409 stainless steel tubing for maximum strength and durability. 6" Diameter Black Intercooled Exhaust Tip:Finishing off this exhaust system is a 6"...$554.40 -
MBRP S6032AL 2011-2019 CHEVROLET/GMC 2500/3500 DURAMAX ALUMINIZED STEEL 4IN FILTER BACK SINGLE SIDE
MBRP
$349.99Aluminized Steel 4 Inch Filter Back Single Side 4 Inch Filter Back, Single Side, Aluminum Built from heavy duty Aluminized Steel our Installer Series performance exhaust systems offer a value price without compromising on the quality built into every...$349.99 -
MBRP S6032BLK 2011-2019 CHEVROLET/GMC 2500/3500 DURAMAX BLACK COATED T304 STAINLESS STEEL 4IN FILTER BACK SINGLE SIDE
MBRP
$474.99Black coated T304 Stainless Steel 4 Inch Filter Back Single Side 4 Inch Filter Back, Single Side, Black coated Our Black Series performance exhaust systems offer a true murdered-out style without compromising on quality and performance. With fully sealed...$474.99 -
MBRP S6033AL 2011-2019 CHEVROLET/GMC 2500/3500 DURAMAX ALUMINIZED STEEL 4IN FILTER BACK DUAL OUTLET SINGLE SIDE
MBRP
$464.99Aluminized Steel 4 Inch Filter Back Dual Outlet Single Side 4 Inch Filter Back, Dual Outlet Single Side, Aluminum Built from heavy duty Aluminized Steel our Installer Series performance exhaust systems offer a value price without compromising on the...$464.99 -
MBRP GM8428 2015-2016 CHEVROLET/GMC DURAMAX 2500/3500 ALUMINIZED STEEL 3IN DOWN PIPE
MBRP
$259.99Aluminized 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...$259.99 -
MBRP S60360AL 2011-2019 CHEVROLET/GMC 2500/3500 DURAMAX ALUMINIZED STEEL 5IN FILTER BACK SINGLE SIDE
MBRP
$424.99Aluminized Steel 5 Inch Filter Back Single Side 5 Inch Filter Back, Single Side, Aluminum Built from heavy duty Aluminized Steel our Installer Series performance exhaust systems offer a value price without compromising on the quality built into every...$424.99 -
MBRP S60360409 2011-2019 CHEVROLET/GMC 2500/3500 DURAMAX T409 STAINLESS STEEL 5IN FILTER BACK SINGLE SIDE
MBRP
$534.99T409 Stainless Steel 5 Inch Filter Back Single Side 5 Inch Filter Back, Single Side, T409 Stainless Steel MBRP's XP Series is the performance exhaust of choice for the enthusiast who needs a system that can take anything that the road throws at it. This...$534.99 -
MBRP S5093304 2020 CHEVROLET/GMC 2500/3500 HD SILVERADO/SIERRA 6.6L V8 T304 STAINLESS STEEL 4IN CAT BACK SINGLE SIDE EXIT (STREET VERSION)
MBRP
$954.99T304 Stainless Steel 4 Inch Cat Back Single Side Exit (Street Version) 4 Inch Cat Back Single Side Exit Pro Series Built to PerformMBRP's performance exhaust systems are built to perform. Designed to maximize exhaust flow and minimize exhaust...$954.99 -
MBRP S5093AL 2020 CHEVROLET/GMC 2500/3500 HD SILVERADO/SIERRA 6.6L V8 ALUMINIZED STEEL 4IN CAT BACK SINGLE SIDE EXIT (STREET VERSION)
MBRP
$514.99Aluminized Steel 4 Inch Cat Back Single Side Exit (Street Version) 2020 -2023 Chevrolet 4 Inch Cat Back Single Side Exit Installer Series Built to PerformMBRP's performance exhaust systems are built to perform. Designed to maximize exhaust flow and...$514.99 -
BANKS 48996 MONSTER EXHAUST SYSTEM 4IN 5-INCH SINGLE EXIT-CHROME TIP 2017- 2019 GM DURAMAX 6.6L L5P
BANKS
$549.00The Banks 48996 Monster Exhaust System is a game-changer for owners of 2017-2019 GM 6.6L Duramax L5P 2500/3500 HD pickup trucks. This DPF-back exhaust system is meticulously crafted with 5-inch mandrel-bent aluminized steel tubing to provide superior...$549.00 -
BANKS 48996-B MONSTER EXHAUST SYSTEM 4IN 5-INCH SINGLE EXIT BLACK TIP 2017- 2019 GM DURAMAX 6.6L L5P
BANKS
$569.00The Banks 48996-B Monster Exhaust System is a game-changer for owners of 2017-2019 GM Duramax 6.6L L5P trucks looking to enhance their vehicle's performance and prevent potential trailer damage. Engineered by Banks Power, this top-of-the-line DPF-back...$569.00