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.
MBRP 11-13 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black
Will not work with a 3 bolt flange style connection
MBRP Exhaust Installer Series, Down Pipe.
Turbo Down Pipe; 3 in.; Black Coated;
MBRP Exhaust Down Pipe
3in. Turbo Down Pipe
Exhaust Pipe
Component
Down Pipe
