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GT500 Stage-3 specs
   
 
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Stiegemeier Porting Services, LLC
2140 S. Old Hwy 94
St. Charles, MO 63303
(636) 949-2275


  Stage 3 -- 550 RWHP
  This stage consists of:
  • Stiegemeier tune specifically designed for the new 2007 GT 500.
  • Cold Air Intake.
  • 2.6" Pulley and Idler

    Superchips XCalibrator IICold Air Intake2.6" Pulley & Idler
 
Stage 3 Dyno results

Results were from a 2007 GT 500 Shelby with 250 miles on the odometer and stock exhaust.  The dyno results were obtained during winter weather, mid February and the horse power numbers are in STD scale.
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