Are there any gains in installing M5 exhaust on 545i
#11
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Originally Posted by HaTe In Ur EyeZ' post='483707' date='Oct 20 2007, 04:22 AM
so what exhaust would you recommend for a 545i to improve performance, single and/or quad? and what manufacturers?
#14
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Join Date: Mar 2007
Location: NYC, Rego Park, Queens
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My Ride: 2004 E60 530i, 2012 E70 X5 35i
Model Year: 2004
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