05-22-2013, 05:49 PM
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#18 (permalink)
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A True Z Fanatic
Join Date: Nov 2011
Location: Houston
Posts: 12,265
Drives: 2011 370ztt
Rep Power: 29539
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Quote:
Originally Posted by Gibby1113
I don't know if this is a stupid question or not but is there a hfc that won't give my car a hiss when I rev it? I know the sound of the exhaust will change I just don't want it to hiss.
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It's not the cat that gives it that hiss. It's kinda just how the motor sounds. It's almost unavoidable with HFCs or test pipes. Resonated pipes help, but it'll still be there.
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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent
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