6.6L Duramax Race Exhaust Manifold - for LML LBZ LB7 Engines - Fits 2001-2016 Chevy Silverado GMC Sierra 2500HD 3500HD
ℹ️ 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. The manifolds are compatible with the stock up-pipes, which allows the manifolds to be installed without having to remove the down-pipe or the up-pipes.
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.
📜 POLICY
🚚 Ships from nearest warehouse within 1 business day, arrives in 5-8 days（most area in 7 days）
🔄 30-day return policy
🔧 2-year replacement warranty
Note:
🔖 Contact Us First: If you encounter any issues with your order, please reach out to us immediately. We're committed to resolving any concerns quickly and to your satisfaction.
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📮 Contact Email: support@samexhaust.com
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.