Quote:
Originally Posted by isjoey
The noise you only hear at start-up is the exhaust pipe rubbing against a bracket about the middle of the car. The shaking is the same it's been since 2016, it is a result of the design.
On a side note, I now have approx. 30 track days on my M2. The MPE is a good big louder now than when new. I believe the packing starting to get some wear, sounds awesome!
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Not true. The video examples posted here are the carbon/Ti tips rattling. Correct/incorrect installation cannot fix this issue. Now if there is rattling from it hitting the support then that is a failed install. There should be 1/2-3/4 inch clearance between the top and bottom of the pipe and the tunnel and brace. Warm up temps causes the exhaust to move rearward due to eat expansion. Not it could be hitting the rear heat shield but it is at its shortest length at cold start