Quote Originally Posted by pennyman1 View Post
For the 2.6 a 2.25" exhaust is best with mild to moderate mods. It is the right size without being overly large - you can go too big and lose bottom end on a street engine.
Agreed. 2" is a bit restrictive for anything over 2.0 Biggest hurdle in improving performance on the 2.6 is gas flow restriction.