6.6L Duramax Race Exhaust Manifold - for LML LBZ LB7 Engines - Fits 2001-2016 Chevy Silverado GMC Sierra 2500HD 3500HD
Description
This exhaust manifold kit is for LB7, LLY, LBZ, LMM, and LML engines. The manifold is made tough using high-quality ductile silica moly cast iron. The manifold ports are machined to match the factory gaskets to ensure the highest exhaust flow possible.
Features
| Fuel Economy | Better Fuel Economy |
| Performance | Quicker Spool Up and Lower EGT's |
| EGT Probe Port | EGT Probe port pre-molded and tapped in each manifold for convenience |
| Color | Gray |
| Material | Cast Iron |
| Fuel Type | Diesel |
| Mounting Style | Bolt-On |
| Placement | Placement on Vehicle: Left, Right |
Fitment:
| Vehicle Model | Years | Engine |
|---|---|---|
| Chevrolet Silverado 2500 HD | 2001~2016 | 6.6L |
| Chevrolet Silverado 3500 HD | 2001~2016 | 6.6L |
| GMC Sierra 2500 HD | 2001~2016 | 6.6L |
| GMC Sierra 3500 HD | 2001~2016 | 6.6L |
Note:
- 2001-2004 6.6L LB7 Duramax
- 2004.5-2005 6.6L LLY Duramax (RACE APPLICATION ONLY)
- 2006-2007 6.6L LBZ Duramax (RACE APPLICATION ONLY)
- 2007.5-2010 6.6L LMM Duramax (RACE APPLICATION ONLY)
- 2011-2016 6.6L LML Duramax (RACE APPLICATION ONLY)
Note：These Exhaust Manifolds will NOT work with OEM up pipes.
Attention
Products on this site are for off-road/racing use only and are not legal for public roads where emissions laws apply.
Professional installation recommended. Removing emissions equipment (DPF, CAT, SCR, DOC) requires deleting related sensors and a compatible tuner to avoid engine codes.
Performance gains may vary—no guarantees.
