Quote:
Originally Posted by Sony
You very well could have overtightened something...the exhaust bolts only need to be tightened to 25 ft-lbs...tightening with an impact means they are probably closer to 125ft-lbs which could warp flanges.
Also check clearances around the transmission tunnel and those things, the Perrin had an issue where on some cars the resonator did not have enough clearance between the resonator and the trans tunnel and would hit the trans tunnel and make noise, easily fixed with a couple minor adjustments.
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actually there is plenty of room since the resonator is pretty small and i just looked and there is plenty of clearance for both test pipe and cat back. perhaps over tightened