I replaced the original back box on my car for a Peco performance one and ran into some problems attacthing it properly as the pipe of the car was smaller than that on the box, the box has had longer slits cuts in and it was blowing obviously, tried welding the cuts up but didnt go brilliant, attacted it using bangage and putty to pack it out but its still bad, losing power and economy, any help on fixing the cuts and making the pipes fit nice and snug??
ClioSport.net
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HELP!
- Thread starter MRD2109
- Start date
