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EL XR6 motor with big cam, have added an off the shelf Coby exhaust system, Headers with 2.5inch and 2 mufflers. This soundz OK on start up but when under load and reving hard it soundz like crap. Real farty. The guy who did it says it the cam? I`m going to have to go to a expert and see what he can come up with... hoping someone else may have experienced this when changing cams????? any fixes come to mind ???
Cheers
KSK
 

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Unbolt the exhaust after the headers, If it still sounds like shit then it could be the headers.

I would have thought a cam would make it sound meatier, not 'farty'?
 
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