Exhaust (LBZ/LLY/LB7)

 DESCRIPTION Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance....

DESCRIPTION The MBRP GM8424 3" Downpipe helps your 2004.5-2010 6.6L LBZ/LBZ/LMM breathe by increasing the exhaust flow that comes off your turbocha...