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#7: 02-22-2013, 06:56 PM
gear_monkey's Avatar
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Location: Keller, Tx
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When my shop put the Perrin dp on my car it was for a manual tranny and I have a 5eat. The result was the pipe touched the firewall and sounded identical to yours.

I would bet your dp is rubbing your frame somewhere and transmitting all the sound into the cabin.

Mine went almost as quiet as stock when they put a properly fitting invidia dp on.

Oh and btw, your turbo could explode and kill all furry animals within a 100 meter radius.