whistler mod on a 2007 silverado?

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May 23, 2009 | 06:35 PM

#11

02BlueStepside

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From: GA

Some people on gmfullsize have done it...looks much better just cleared

May 23, 2009 | 07:49 PM

#12

jeff00z28

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Quote:

Originally Posted by 00ChevyScott

why would that be called a "whistler" mod?

i dunno it started on ls1tech

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