2001-2005 Chevy/GMC Duramax 2500/3500 4″ Front-Pipe w/Flange, AL MBRP GMAL401


Product Highlights:

Get even more exhaust flow with this 4″ Front Pipe with Flange.

Constructed from sixteen gauge aluminized steel you can count on this pipe for many years of reliable service.

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.