2011-2016 Downpipe Exhaust for Chevy/GMC 6.6L LML Duramax Diesel 3 inch
Brand New
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
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.
