Thankyou RSX store and a big thank you to Nico who helped me over the phone and online chat. Nico took the time to answer all of my questions about the buddy club exhaust I was looking at. He was very informative and understanding about my...
...All of this is caused by a spring that’s too weak to counteract the exhaust valves slamming shut and weak, undersized piston teeth that wear from repeated bashing against their ratcheting mechanism...