Product Description
DIAMOND EYE K5131A is a 5.0" aluminized DPF-back single-exit exhaust built for 2007.5–2010 Chevy/GMC 2500/3500 6.6L LMM Duramax. The kit replaces the tail section after the factory DPF, improving flow and sound while keeping emissions equipment intact. It includes a turbo direct pipe #321056 and a vented stainless tip for a clean, finished look.
Confirmed features: 5" DPF-back, all cab/bed lengths, Turbo Direct Pipe #321056 included, vented stainless tip included.
FAQ: WILL THIS FIT MY TRUCK?
Yes—if you have a 2007.5, 2008, 2009, or 2010 Silverado/Sierra 2500/3500 with the 6.6L LMM Duramax, this kit is designed to fit all cab and bed lengths.
FAQ: DOES IT REMOVE EMISSIONS EQUIPMENT?
No. This is a DPF-back system (after the filter). It does not alter or remove emissions components. Always follow local/state laws.
FAQ: WHAT’S INCLUDED?
- 5" aluminized steel tail section (passenger-side exit)
- Turbo Direct Pipe #321056
- Vented stainless exhaust tip
- Clamps/hardware and OE-style hangers
Fitment Details
- Make/Model: Chevrolet Silverado 2500/3500 HD; GMC Sierra 2500/3500 HD
- Engine: 6.6L Duramax LMM
- Years: 2007.5–2010
- Cab/Bed: All cab & bed lengths
- Configuration: 5" DPF-back, single passenger-side exit
Cross Reference Items
- K5131S — 5" DPF-back kit, stainless steel (same fitment)
- K4129A / K4129S — 4" DPF-back kits (aluminized / stainless), same vehicles
- 321056 — Turbo Direct Pipe (included in this K5131A kit)
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K5131A |
| Material | Aluminized steel |
| System Type | DPF-back, single exit (passenger side) |
| UPC | 841963121643 |
| GTIN | 0841963121643 (GTIN-12 / UPC-A) |
| Shipping Weight | ~79 lb |
| Package Dimensions | 52" (L) x 21" (W) x 13" (H) |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
