been driving my r34 for 3 months now and the smoke from the hks exhaust has darken my rear bumper together with the tail light each time i drive long distance. the difference is so obvious as the left bumper which...
hey there just wondering if anyone can help me with this problem. Im running a 1jz-gte with stock twin turbo...in the standard setting boost is perfect...hitting 0.7bar everytime...the moment i added "tulang ikan" my...