Bully Dog 85220 - CAT Ceramic Coated Exhaust Manifold

Bully Dog Ceramic Coated Exhaust Manifold for CAT. Part # 85220.

This premium exhaust manifold is guaranteed to provide .3 to .4 MPG improvements and at least 30 extra horsepower. This is hands down the best exhaust manifold offered in the market today and it won't void your warranty. It has been third party tested to prove that it flows better than the stock manifold and the competition. The whole manifold is finished with a high performance ceramic coating which improves air flow and lowers temps radiating off of the manifold by 300 degrees.

For use on Cat "E" Model engines using Holset Turbo:

* Replaces Stock Manifold part # 146-9445. The 146-9445 manifold is the stock manifold on Kenworth and Peterbilt Models as well as a few other applications.