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      11-23-2012, 04:25 AM   #21
ilikebmxbikes's Avatar
Drives: '08 135i
Join Date: Apr 2011
Location: San Francisco

Posts: 2,781
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If you want loud, the BMW performance exhaust may disappoint. The BMW perf exhaust has a great sound but it is only slightly louder than stock. The change (and value) is more in the tone.

The berk race will be considerably louder and has a good aggressive tone to it. It is also a lot cheaper than the bmw performance exhaust. It should not violate your warranty in anyway.
MY Build Log
08 AW 135i | Cobb | ETS FMIC | ER CP w/ Tial Bov | AR Catted Downpipes | Berk Mids | Meisterschaft GT SUS 1M |M3 Control Arms | M3 Sways | M3 Rear Subframe Bushings | Wavetrac LSD | AST 4200 DA Coilovers | HRE R43 | Hankook R-S3 |Full BMW Performance Interior | Revozport 1M Raze Aero Package in Satin Carbon |1M Body Conversion|
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