Originally Posted by Doug007
By far, the biggest gain will be deleting that cat.
Yup, that's where a test pipe comes in...
Is a test pipe in the works as we speak?
A test pipe would really open up the exhaust. An EVO IX with an intake, header, test pipe, and a tune really turns it to a different animal. A lot of EVO owners would know that's a fact.
I know it may not be easy, but try applying the same thing to the N55...