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BMW 3-Series (E90 E92) Forum
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Borla Silent version 335i with Race Pipes
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01-08-2013, 12:51 AM | #1 |
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Borla Silent version 335i with Race Pipes
below 88db with ar design downpipes on idle and on street run very low drone so u can't really feel it... gets loud when u push it on the track and still lower than 99db |
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