EVO X
Ported & Coated Stock Manifold

Internal Ported and Swain Tech coated exhaust manifold The PPI ported stock manifold will free up additional horsepower and keep the reliability of a cast manifold. Using a superior Swain Tech TRUE ceramic coating, which will drop under hood temperatures 35-55%.  Internally Ported and Swain Tech coated exhaust manifold This manifold features internal porting only in addition to the same Swain Tech cermaic coating as the manifold above. Internal Ported and High Luster Silver coated exhaust manifold The same description applies to this model as the top manifold above. The only difference is the High Luster Silver coating which withstands temperatures of up 2000F. Coating is applied both to the inside and outside. Internally Ported and High Luster Silver coated exhaust manifold Internal porting done only to this model. Then it is coated inside and out with a High Luster Silver Coating. Internally Ported exhaust manifold This manifold is only ported internally to smooth flow. No coating for this selection. Extreme Internal Porting Option This level of porting is for the person that wants every bit of power possible while still using the factory manifold.  Every wall surface inside the manifold is ported from the runners to the collector area.  Nothing that can be reached is left untouched.  The collector is gasket matched and the individual runner ports are matched to the head.  All EVO X manifolds are only done on your provided manifold. We will also drill and tap for an EGT probe. Please let us know when ordering.

Internally Ported and Swaintech Coated Manifold $279 Internally Ported and Silver Coated Manifold $195   Extreme Internal Porting Option to any selection above $75 Internally Ported Manifold (no coating) $75 Internal Porting with Extreme Porting Option w/o coating $150