Exhaust system

CivicLuv87

New Member
5+ Year Member
So I have an hks hi power exhaust on my civic and when I first got it installed it didnt make any noise but now that I dropped my engine in its raddling like crazy I dunno if I need a new bumper w a bigger cut out for the exhaust because mine is stock or do I take it back n see if they can do something any suggestions or u can pm me thanks.
 

civicfan111

Fujiwara's Tofu Shop
Registered VIP
5+ Year Member
Is bumper sagging at all like with broken clips? Or you might need longer exhaust hangers welded so it hangs a bit lower. Also is it idling a bit rough? You might need to adjust/tune the idle now that the airflow has been altered.
 




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