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      01-29-2014, 06:35 PM   #4
Michael V.
Private First Class
United_States
13
Rep
147
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Drives: 2011 BMW 550i
Join Date: Jan 2013
Location: Birmingham, MI | Coral Gables, FL

iTrader: (0)

Active Autowerke's exhaust is by far your best choice, especially if you opt for their downpipes as well. Amazing turbo spool sound + impressive gains in hp.
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Black Sapphire 550i | HRE P40SC | H&R Springs | Active Autowerke's Exhaust & Downpipes | BMS Stage 1 | M5 Sway bar | V1
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