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BMW 3-Series (E90 E92) Forum
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Muffler help
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| 09-30-2012, 11:09 AM | #1 |
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Private First Class
 
5
Rep 119
Posts |
Muffler help
I recently took off my muffler and went stright pipe only, will this affect my performance or over all hp negatively or positively? Also if i also take the resonator off how wil that affect the car aswell?
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