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.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2001-2004 |
Chevrolet |
Silverado 2500 HD |
Base |
| 2001-2004 |
Chevrolet |
Silverado 2500 HD |
LS |
| 2001-2004 |
Chevrolet |
Silverado 2500 HD |
LT |
| 2004 |
Chevrolet |
Silverado 2500 HD |
WT |
| 2001-2004 |
Chevrolet |
Silverado 3500 |
Base |
| 2001-2004 |
Chevrolet |
Silverado 3500 |
LS |
| 2001-2004 |
Chevrolet |
Silverado 3500 |
LT |
| 2004 |
Chevrolet |
Silverado 3500 |
WT |
| 2002-2004 |
GMC |
Sierra 2500 HD |
Base |
| 2001-2002 |
GMC |
Sierra 2500 HD |
SL |
| 2001-2004 |
GMC |
Sierra 2500 HD |
SLE |
| 2001-2004 |
GMC |
Sierra 2500 HD |
SLT |
| 2003-2004 |
GMC |
Sierra 2500 HD |
WT |
| 2002-2004 |
GMC |
Sierra 3500 |
Base |
| 2001-2002 |
GMC |
Sierra 3500 |
SL |
| 2001-2004 |
GMC |
Sierra 3500 |
SLE |
| 2001-2004 |
GMC |
Sierra 3500 |
SLT |
| 2004 |
GMC |
Sierra 3500 |
WT |
