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Old 12-20-2012, 01:36 AM   #1
Crocmania
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Default Hissing noise proflo exhaust

Is there anyway of stopping the hissing sound on a duramax at idle so it just has the nice v8 burble
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YEAH IM AN AUSSIE BUT I DRIVE A DURAMAX
4 inch exhaust big ass intake PPE + 2 Tuner
still a Work in progress
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