10-bolt solid crush sleeve?
#21
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? Has any body else installed new gears in a M6 and had a weird whistle or whining noise come from where the shifter is just got mine done and its loud im sure its not the rear gear whining because its only when you barely touch the gas peddle in 4th,5th, and 6th gets louder the faster you go maybe drive shaft or something no noise when coasting in neutral.