2011 BMW 135i 6MT Stock vs. Performance Exhaust

2011 BMW 135i, 6 speed manual, sport package, stock. Video comparing the stock Exhaust to the performance Exhaust. Taken with my iPhone 4. Did the best I could given the resources and skills I have with video editing. Forget about the sideways image in the beginning and the image quality... enjoy the SOUND!!

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BMW 135i Stock Exhaust vs BMW Performance Exhaust
( http://www.darkline.org.uk ) A video that compares the BMW 135i's stock Exhaust and BMW performance Exhaust




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