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; For Use w/3 Bolt Flange Style Connection;
Only works with a 3 bolt flange style connection
MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
MBRP Exhaust Direct Replacement Downpipe.
MBRP Exhaust Down Pipe
3in. Down Pipe
Exhaust Pipe
Component
Down Pipe