Duramax Cat Back Exhaust Products

Mel's Manufacturing 4" Aluminized Steel Cat-Back exhaust kit for your 2011 - 2015 GM 6.6L Duramax LML - With Muffler / No Tip

Mel's Manufacturing 4" Aluminized Steel Cat-Back exhaust kit for your 2011 - 2015 GM 6.6L Duramax LML - No Muffler / No Tip

Mel's Manufacturing 4" T-409 Stainless Steel Cat-Back exhaust kit for your 2011 - 2015 GM 6.6L Duramax LML - With Muffler / No Tip

Mel's Manufacturing 4" Aluminized Cat-Back Exhaust for your 2001 - 2005 GMC/Chevy Duramax 6.6L LB7 / LLY - With Muffler, No Tip. This exhaust system is for trucks with an OEM 4 Bolt Flange coming off of the catalytic convertor.

MBRP's aluminized 4" Cat-Back Performance Series Exhaust System for your 2001-2005 GMC Chevy 6.6L Duramax with the LB7 or LLY engine. Comes with a T304 polished stainless muffler. Tip not included.

MBRP's aluminized AL INSTALLER Series 4" cat-back exhaust system, with muffler, , with a single side exit for your 2001-2005 GMCChevy 6.6L Duramax with the LB7 or LLY engine.

MBRP's 4" Cat Back XP Series Exhaust System for your 2006-2007 GMC Chevy Duramax 6.6L LBZ diesel pickup. Made from 16 gauge T409 stainless steel (which lasts longer than aluminized exhaust), this kit comes with a T304 polished stainless muffler and exhaust tip.