2011-2016 Downpipe Exhaust for Chevy/GMC 6.6L LML Duramax Diesel 3 inch
SAMexhaust LML Duramax downpipes are designed to seamlessly replace your restrictive stock downpipes, which are located right after your catalytic converters. These upgraded 6.6L LML Duramax downpipes significantly enhance horsepower and torque on turbocharged vehicles by allowing exhaust gases to flow more freely as they exit the turbocharger. The high-quality, precision-engineered downpipe improves exhaust airflow, leading to a smoother and more efficient engine performance, ensuring a better driving experience.
features：
- Application: Exhaust Down Pipe
- Material: Stainless Steel
- Surface: Mirror Polish
- Made of High-Quality T-304 Stainless Steel
- Inlet/ Outlet Sizes: 3 ''OD / 3 ''OD
- Pipe Diameter: 3.0''
- FlangeType: V-band
- Increases Horsepower 10-15 HPS (approximately)
Fitment:
- Chevy/GMC 2500HD & 3500HD Trucks with 6.6L LML Duramax Engine (V-Band Style)
- 2011-2016 Chevrolet Silverado 2500 – 6.6L LML Turbo Diesel
- 2011-2016 Chevrolet Silverado 3500 – 6.6L LML Turbo Diesel
- 2011-2016 GMC Sierra 2500 – 6.6L LML Turbo Diesel
- 2011-2016 GMC Sierra 3500 – 6.6L LML Turbo Diesel
- Does Not Fit 2015.5+ Model With Flange Outlet
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.
