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BMW 116i w/ Performance Exhaust
Hi
I have a BMW 116i e87 and I would like to purchase a BMW Performance exhaust. I've been told that the sound is much better and of course the look as well. But what about the performance?
Will I gain power? If so, how much hp, torque?
If there's no gain, I'll have to look for so.th. else.
Please inform me.
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