Sounds sick as fuu. Ill be taking the mufflers from my brothers beast as soon as it comes in. Was it hard to get the valves to work with the Akra tips? How much customization was needed? Thanks
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2013 X6 50i Sapphire Black
2012 550x Alpine White
- 12.727@108 - 1.7 60ft lemon'd
2011 550i Sapphire Black
- 12.960@109 - lemon'd
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