10-28-2013, 09:34 AM | #1 |
boyboydan
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1M rear muffler on F20 118i
Hi everyone,
I am thinking to modify the 1M muffler on my 118i . couple of things I am cconcerning. Will I lost low end, and will the exhaust be really loud/drone...??? Anyone can give me some advice?? Thx. Dan. |
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