Thread: 4" Straight Turbo Back
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Old 09-28-2007, 09:48 AM
vitalidle vitalidle is offline
Desert Shield/Storm Vet
  

Join Date: Dec 2006
Location: Munising, MI.
Posts: 9,092
Actually you would be surprised as the 4" isnt all that much louder in the cab then stock. Its louder at the tailpipe but not obnoxious in my opinion
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