Quote Originally Posted by 01gpgt01 View Post
Id run stainless forsure, And the stepped ones seem to seal better then the flats. (ive used both)
When I tightened up mine, they basically became stepped clamps.

Not trying to hijack, but does anyone know a good/proper way to clean these headers...Im not looking for them them to go back to factory shine, but rain water has begun to make'em look like sh*t.