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hey guys, i just installed a RPI GT race exhaust on my 08 E92 and every time i shift from 1st > 2nd > 3rd, there is a rattling noise right before the clutch disengages and goes into gear. is that just because of the cats being gone? it doesnt sound normal and i was wondering if anyone else had that problem when they shifted into gear with an aftermarket exhaust? thanks in advance!!
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