Extrude Hone

[roadrunnerh]

Anybody have an intake or exhaust manifold Extrude Honed? I've read that it's an expensive procedure, and doesn't yield much gain.

 

[mannye]

Anybody have an intake or exhaust manifold Extrude Honed? I've read that it's an expensive procedure, and doesn't yield much gain.

Here's a company that specializes in extrude honing

http://www.extrudehone.com/auto/auto-performance.php