6.6L Duramax Race Exhaust Manifold - for LML LBZ LB7 Engines - Fits 2001-2016 Chevy Silverado GMC Sierra 2500HD 3500HD
Brand New
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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.
SHIPPING & DELIVERY
Fast Processing & Reliable Transit
- Processing: Orders are processed and shipped from the nearest warehouse within 24 hours.
- Delivery: Estimated delivery time is approximately 4 to 5 business days.
RETURNS & EXCHANGES
30-Day Hassle-Free Policy
- Return Window: We offer a 30-day return policy from the date of delivery.
- Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.
WARRANTY
2-Year Limited Replacement Warranty
- Duration: All products are backed by a 2-year limited warranty.
- Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).
CUSTOMER SUPPORT
We’re Here to Help – Contact Us First
- Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
- Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
- Email Support: You can reach us at 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.
