engine

Hi, I'm pretty new to the modding scene. I'm trying to figure out what I can change around with my car to get a bit of a noise bump without sacrificing too much reliability. So far, I'm for sure switching out the cat-back system, I'm also 50/50 on changing LDP as well. I saw somewhere that...

I apologize in advance for the long text but there is a lot I have in my heart and what I need advice / help… Today was a very difficult day. What could have gone wrong, went wrong. You will definitely know this feeling ? The usual work: oil change, throttle valves cleaning and fender...