Thread: Whisper Mode
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Old Mon, February 2nd, 2009, 07:27 PM
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Whiten Whiten is offline
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Join Date: Feb 2009
Location: Abbeville, SC
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Default Whisper Mode
I have a stock 02 7.3 auto, DIY 6637 filter and 4" turbo back exhaust.

How much does this tune quiet down a 02 7.3?

Whats the lead time on a 6pos chip for a stock truck?

Thanks