hey everyone. i put a just jap racing split dump/front and x fore cat on today. just a few questions. how long will the exhaust cement smoke for? also there is what looks like 2 be an earth cable or something hanging off the car body near the cat. just wondering what it is for?? it wasnt connected. im not talkin bout the sensor its another cable. there is also one of these cables that was connected to the turbo heatshield from car body! do i need them connected? thanks in advance
steve