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Feeler: z4m partout...morrs, kwv3, hawks
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10-14-2011, 05:11 AM
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Z4mc87
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Drives: Z4M Coupe
Join Date: Dec 2010
Location: Pasadena, CA
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Few question for the muffler delete
1) is it consider loud? Compare to those rpi or the RE diablo
2) is there any drone?
3) lose torque? Low end pressure?
Thanks!
Appreciate
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