Product Description
DIAMOND EYE K4130A is a 4" aluminized steel DPF-back exhaust system for 2007.5–2010 Chevy/GMC 2500/3500 6.6L Duramax LMM (all cab/bed lengths). It replaces restrictive factory piping after the DPF to reduce backpressure and improve throttle response. Kits include clamps/hangers and a vented stainless tip (per Diamond Eye).
FAQ: WILL THIS FIT MY TRUCK?
Yes—this system is built for 2007.5, 2008, 2009, 2010 Silverado/Sierra 2500/3500 6.6L Duramax LMM, all cab and bed configurations. It installs after the DPF and uses OEM-style hangers for a bolt-on fit.
FAQ: DOES IT INCLUDE A MUFFLER?
No. This is a muffler delete (filter-back, no muffler) for a more aggressive tone while retaining emissions equipment (DPF remains in place).
FAQ: WHAT TIP IS INCLUDED?
Diamond Eye’s listing shows a vented stainless-steel tip included with the K4130A system.
FAQ: WHAT MATERIAL IS IT?
Heavy-gauge aluminized steel tubing with mandrel bends for flow and durability in moderate environments.
Fitment Details
- Make/Model: Chevrolet Silverado 2500/3500, GMC Sierra 2500/3500
- Engine: 6.6L Duramax LMM
- Years: 2007.5–2010
- Configuration: DPF-back, single passenger-side exit, no muffler
- Cab/Bed: All cab and bed lengths
Cross-Reference / Alternatives (MBRP-only)
- MBRP S6026AL — 4" Filter-Back, Single Side Exit, Aluminized
- MBRP S6026SLM — 4" Filter-Back, Single Side, T409 Stainless, No Muffler
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K4130A |
| UPC | 841963101713 |
| GTIN | 0841963101713 (UPC-A) |
| Main Tubing Diameter | 4.0" |
| System Type | DPF-Back, Single Side Exit |
| Material | Aluminized Steel |
| Includes Tip | Yes — Vented Stainless Tip |
| Box Dimensions | Approx. 46" x 14" x 14" |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
| Country of Origin | USA (per supplier listings) |
Notes: Professional installation recommended. Always verify local emissions compliance.
