Looking for advice on adding a performance exhaust to my 09 Si - HondaCivicForum.com

Header, Intake, & Exhaust Custom Exhaust? New Headers? Need Opinions on Intakes? Discuss making your ride breathe better here.
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Old 07-08-2018, 04:37 PM
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Join Date: Jul 2018
Location: Elkhart IN
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Default Looking for advice on adding a performance exhaust to my 09 Si

I have an 8th Gen Si Iíve been wanting to tune up starting with suspension but recently my muffler hanger has rusted away so I guess itís time to start Iím looking for advise on what would be the best performance exhaust system from the header all the way to the muffler cat and everything Iím not looking for sounds like this or that Iím looking for performance.
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Old 07-09-2018, 04:00 PM
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Join Date: Aug 2007
Location: DUB Caeser
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Usually, louder means more free flowing and more performance. Listen to what other people have done to their SI on youtube etc and figure out what you like best. I'm sure there's a happy medium you can find.
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