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.
Turbo Down Pipe; 3 in.; Black Coated; Not For Use w/3 Bolt Flange Style Connection;
MBRP 01-04 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black
MBRP Exhaust Turbo Diesel Down Pipe.
MBRP Exhaust Down Pipe
Fits Early 2004 models
3in. Turbo Down Pipe
Exhaust Pipe
Component
Down Pipe