Find Parts That Fit
MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
$304.99
Not sure it fits? Ask our fitment team — we check before it ships.
$304.99
$304.99
Tech Specs
- Brand
- MBRP
- SKU
- MBRPGM8428
- Manufacturer part number
- GM8428
- Shipping weight
- 10.3 lb
- Availability
- Stocked
- EPA
- N/A
- CARB status
- Not CARB compliant — off-road or race use only
WARNING: This product can expose you to chemicals 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.
Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is permitted. Not for sale or use in the state of California.
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2016 | Chevrolet | Silverado 2500 HD | High Country |
| 2015-2016 | Chevrolet | Silverado 2500 HD | LT |
| 2015-2016 | Chevrolet | Silverado 2500 HD | LTZ |
| 2015-2016 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2016 | Chevrolet | Silverado 3500 HD | High Country |
| 2015-2016 | Chevrolet | Silverado 3500 HD | LT |
| 2015-2016 | Chevrolet | Silverado 3500 HD | LTZ |
| 2015-2016 | Chevrolet | Silverado 3500 HD | WT |
| 2015-2016 | GMC | Sierra 2500 HD | Base |
| 2015-2016 | GMC | Sierra 2500 HD | Denali |
| 2015-2016 | GMC | Sierra 2500 HD | SLE |
| 2015-2016 | GMC | Sierra 2500 HD | SLT |
| 2015-2016 | GMC | Sierra 3500 HD | Base |
| 2015-2016 | GMC | Sierra 3500 HD | Denali |
| 2015-2016 | GMC | Sierra 3500 HD | SLE |
| 2015-2016 | GMC | Sierra 3500 HD | SLT |
- Direct Replacement. 20% Increased Flow Over Stock. Richer Diesel Sound.
- 20 Percent Greater Flow Over Stock
- Will Not Affect Emissions
- Gains Of +21 Horsepower
- 24 lb./ft./ Torque Gain
- Greater Heat Retention
- Richer Diesel Sound
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