Downpipe Exhaust 3" for 2011-2015 Chevy GMC Duramax Diesel 6.6L LML GM8427
11-15 Chevy Silverado/GMC Sierra 2500HD 3500HD, 6.6L Duramax Diesel, 3", T304 Stainless Steel, Downpipe/Clamp/Heat Wrap
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2020 Buick Encore Essence 4Cyl 1.4L
Change VehicleThis product is universal
Features
- Inlet/ Outlet Sizes: 3 ''OD / 3 ''OD
- Piping Diameter: 3"
- Part Number: GM8424
- Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends i.e. Maximizing Smoothest Exhaust Airflow
- High Performance JDM Racing Design
- TIG Welded CNC Machine Flange for Strength and Durability
- Greater Heat Retention
- 20% Greater Flow Over Stock
- Richer Diesel Sound
- Will not Affect Emissions (DPF system or the Urea injection system)
- Gains of +21 HP and +24 lb/ft Torque
- Professional Installation is Highly Recommended
- No Instruction Included
Fitment
- 2011-2015 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax Diesel
- Does Not Fit 2015.5+ Model With Flange Outlet
- Not fit Cab & Chassis trucks
Package
- 1 x 3" Stainless Steel Downpipe
- 2 x Stainless Steel Hose Clamps
- 1 x Roll of Titanium Heat Wrap
⚠️WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
| VEHICLE NAME | Year | Engine |
|---|---|---|
| Chevrolet Silverado 2500 HD | 2011~2015 | 6.6L |
| Chevrolet Silverado 3500 HD | 2011~2015 | 6.6L |
| GMC Sierra 2500 HD | 2011~2015 | 6.6L |
| GMC Sierra 3500 HD | 2011~2015 | 6.6L |
Fast Shipping
The order will be dispatched within 1 business day, and the package will arrive within your order's estimated date. Please click Shipping Policy for more details.
Easy Return
Every order comes with a 90-day free return which means you don't have to pay for a return slip. Please click Return Policy for more details.
Warranty Policy
All parts are qualified and tested by the strictest aftermarket-part standards. Please click Warranty Policy for more details.