My 2007 Shelby GT500 - after RET dyno tuning.
Stock pulley, Ford Racing 5GT Axle Back, Ford Racing intake, custom SCT tune by RET on 91 octane.
499.90rwhp/476.79rwtq SAE
511.91rwhp/488.25rwtq STD
Tex's Shelby GT500 dyno pull
07 Shelby GT500 with headers and mufflers,steeda cai,pulley and tune. 532rwhp 509rwtq
2008 Shelby GT 500 (537 Horses)
Central Texas Mustangs had a "Dyno Day" at Motion Dynamics in Pflugerville, TX, on 23 FEB. This GT 500 pulled at over 500 horsepower...