MBRP Down Pipe, T409 07-12 Cummins
Get even more exhaust flow with this 4" Down Pipe.
Constructed from T409 stainless steel you can count on this pipe lasting for as long as you own your truck.
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.