madkaw Posted April 4, 2007 Share Posted April 4, 2007 I am putting together a twice pipe/dual exhaust system for my p30. My questions relate to hanging my system. How much or should I worry about clearance needed for engine torque movement? I am worried about the pipes coming in contact with anything due to the small amount the engine will move on its mounts. Specifically I am looking at my trans crossmember right now thinking I put the pipe to close. I guess I would like to know how much clearance i should allow anywhere i hang the pipes to assure i don't get any pipes rattling against something. I would like to mount my dual pipes tightly against the rear diff crossmember where the pipe cutouts are but not sure how or how close i should get? I guess if i went fairly solid against the crossmember i would have to put in a flex pipe? Quote Link to comment Share on other sites More sharing options...
jt1 Posted April 4, 2007 Share Posted April 4, 2007 The engine and exhaust move around a good bit. I would think 3/8" would be a minimum to avoid rattles. John Quote Link to comment Share on other sites More sharing options...
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