SR20 Forum banner
1 - 5 of 5 Posts

Big Juice & Big Boost
832 Posts
Discussion Starter · #1 ·
I am planning to get a 3inch testpipe for my car.

I want to know if it make any different on horsepower with the gutted stock cat and a 3inch testpipe.

Thank you
1 - 5 of 5 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.