3" cat back
Hey everyone , bit sick of the loud note of my 3" ninja cat back system, anyone have any ideas how to quiet it down? Would the original sti back box fit the 3" system with some sort of reducing coupling?
Thread
Thread Starter
Forum
Replies
Last Post
MightyArsenal
Wheels, Tyres & Brakes
6
Sep 25, 2015 08:31 PM



