Product Description
DIAMOND EYE K4110S is a 4.0" T409 stainless cat-back exhaust for 2001–2005 Chevy/GMC Silverado/Sierra 2500/3500 6.6L Duramax (LB7/LLY). It’s a single side-exit system with a straight-through muffler for clean tone, lower EGTs, and bolt-on fit using factory hangers.
FAQ: WILL THIS FIT MY TRUCK?
Yes—fits 2001, 2002, 2003, 2004 & 2005 6.6L Duramax 2500/3500 (all cab/bed lengths). Regular-cab long-bed trucks may require an adapter (see Cross-References below).
FAQ: WHAT MATERIAL IS IT?
T409 stainless steel tubing for corrosion resistance and long service life.
FAQ: WHAT SOUND CAN I EXPECT?
A deeper, refined tone with the included muffler—noticeable but not droney in cruise.
Fitment Details
- Years: 2001–2005
- Platforms: Silverado/Sierra 2500/3500 HD
- Engines: 6.6L Duramax LB7 (2001–2004), LLY (2004.5–2005)
- Exit: Single side, passenger side
- Configuration: Catalytic converter–back (retains OEM front hardware)
Cross-Reference / Alternatives (MBRP-only, internal links)
- MBRP S6000AL 4" Cat-Back, single side, aluminized steel (01–05 Duramax): View on CPP Diesel
- MBRP GMAL413 Regular-Cab Adapter Pipe (01–05 Duramax RC/LB): View on CPP Diesel
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K4110S |
| Material | T409 Stainless Steel |
| Tubing Diameter | 4.0" |
| Exit | Single side (passenger side) |
| UPC | 841963100747 |
| GTIN | 00841963100747 (GTIN-14), 841963100747 (GTIN-12) |
| Shipping Info | Ships oversize in 1 carton; dimensional weight applies. Typical package ~52" x 21" x 13"; ~55–84 lb depending on configuration. |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
| Warranty | 6-Year (stainless kits; manufacturer) |
What’s Included
- Mandrel-bent T409 stainless front/intermediate/tail pipes
- Diamond Eye straight-through muffler
- Clamps & hardware
- Hanger hardware (uses OEM locations)
