2011-2015 LML GM 6.6L Performance 3″ Exhaust Turbo Down Pipe 11-15 Chevy

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Downpipes are designed to seamlessly fit in place of your restrictive stock downpipes, which are situated immediately after your catalytic converters. Upgraded downpipes provide great increases in horsepower and torque on turbocharged vehicles by allowing exhaust gasses to flow easier as they leave the turbo. The high-quality exhaust manifold can improve the exhaust air flow rate and ensure you have a better driving experience. Does Not Fit 2015.5+ Model With Flange Outlet



2011-2015 Chevy/ GM 2500HD | 3500HD Trucks w/ 6.6L Duramax LML ‘With V-Band Style
2011-2015 Chervolet Silveado 2500 6.6L-Turbo Disel LML
2011-2015 Chevrolet Silverado 3500 6.6L-Turbo Diesel LML
2011-2015 GMC Sierra 2500 6.6L-Turbo Diesel LML
2011-2015 GMC Sierra 3500 6.6L-Turbo Diesel LML

Does Not Fit 2015.5+ Model With Flange Outlet


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”
Flange Type: V-band
Increases Horsepower 10-15 HPS (approximately)


Package Contents: 1 x 3″ Stainless Steel Downpipe
2 x Stainless Steel Hose Clamps
1 x Roll of Titanium Heat Wrap


1. Improve Engine Output and Efficiency, Give you an extra HPs, and increases torque
2. Large diameter and free flow tubing for unrestricted flow, Making the exhaust air flow smooth, Designed for high-performance racing
3. Made of High-Quality 16-gauge T-304 Stainless Steel with Computerized Mandrel-Bends
4. All joints are TIG welded to prevent cracking and wear
5. CNC Machine Flange for MAX Strength and Durability
6. Flanges chrome plated for corrosion resistance

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Returns are accepted for most items. Returns must be made within 30 days of receiving item. Item/s must be brand new & resell-able condition. Customer is responsible for return shipping costs. Original shipping charges are non refundable.

Electronics that require custom tuning or are VIN specific cannot be returned and are non refundable. This includes EZ Lynk, SCT, Bully Dog & EFI Live.

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Availability – If you see “#” pieces in stock above the add to cart button it will ship within 1 business day. If there’s no quantity shown; the part is either built to order, ships directly from the manufacture or is temporarily out of stock. In that case, could take up to 20 business days to ship.

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12 Month Warranty

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Easy Returns

Not the right part?Return it within 30 days for a full refund.