Would like to have some opinion on diy sound proofing on my wira internal firewall. I have done some research on how to disassemble the dashboard and now still indecisive on what kind of material...
Sometimes my car would not rev (like no throttling at all) when i step on the pedal while driving, this would go for like 10 secs before things go back to normal. Happened twice already, which is why I'm a bit...