Bully Dog Big Rig Ceramic Coated Exhaust Manifold Kit For 1999-2003 Cummins ISX Non-EGR 2001-2004-6.6l-lb7 patented design

patented design

Ideal replacement or performance upgrade for the OEM rubber hoses

2011-2025 Chevrolet Silverado 2500/3500 HD

(2) Rear Lift Blocks steel

Bully Dog Big Rig Ceramic Coated Exhaust Manifold Kit For 1999-2003 Cummins ISX Non-EGR 2001-2004-6.6l-lb7 patented designBully Dog Big Rig means business with their new premium ceramic coated exhaust manifolds the fastest flowing exhaust manifolds in the industry. They have been designed to provide quicker turbo spool, higher power output and more fuel economy for class 8 engines. Bully Dogs engineering team spent a considerable amount of time analyzing the possible flow layouts for each manifold using state of the art computer aided design software. Each manifold was