04-12-2010, 10:37 AM
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#11 (permalink)
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Track Member
Join Date: Jul 2009
Location: NJ
Posts: 683
Drives: 09 370z 6Speed
Rep Power: 18
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Quote:
Originally Posted by neveucd
No resonator size just effects sound levels not power. Another question I'm sure has been covered but I forgot the answer or fix? Is it normal that when I let off gas at the end of the exhaust note there's a hiss like a BOV. I've somewhat checked for leaks and couldn't locate any and my check engine light hasn't come on. I have the HFC and 18" cf cbe combo. It has gotten a little more noticeable as my exhaust became broken in and sound level reduced? Is something wrong here?
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nothing is wrong thats just how this car sounds. the second you switch out the stock cats you get the hissing on decel. No worries nothing is wrong.
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