talk to the place where u got, i've heard of this also. Poor quality control on parts.
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talk to the place where u got, i've heard of this also. Poor quality control on parts.
i got a xforce as well, going for the MUGEN one next,
yea ive noticed with the xforce it kinda rattles abit when cars on cold
I had he same problem I went back to where i bought it from and they replaced it for straight away. Western Muffler on Fairfield st Fairfield.
had that problem on one of my cars. went back to where i got it fitted and they replaced the exhaust for u straight away.
was exactly how you described and the rattle/buzzing occurs at a particular rpm.
go get a replacement