Bully Dog Big Rig Ceramic Coated Exhaust Manifold For 2004-2008 CAT C-11 in Kenworth & Peterbilt Trucks

Bully Dog Big Rig premium ceramic-coated exhaust manifolds are the fastest flowing exhaust manifolds in the industry. Designed for superior heat control and exhaust flow, they help your turbo spool more quickly. Whether you are looking to replace a faulty or leaky exhaust manifold on your rig, or just want to experience the difference a performance exhaust manifold can make in your daily driving, you can expect higher power output, lower temps and improved fuel economy with a Bully Dog Big Rig exhaust manifold.