Check out the first 2011 Mustang V6 putting down 536 Horse Power to the Wheels! Impressive!
536RWHP and 420RWTQ are the corrected numbers Thats around 620-640 block HP!
- ProCharger P1 S/C
- 3.50″ Pulley running 12.5 psi
- 2011 GT Mustang take off throttle body 80mm
- Custom Fuel Rails
- Custom intake spacer
- BBR Jackal fuel pump (return style)
- Custom fuel lines
- E85 fuel ($2.60 gal)
- Custom Tune by True Street Motorsports, McKinney, Tx
- Spec stage 2+ clutch pack (all aluminum)
- Custom steel driveshaft
- 3.55 gears
- BBK Headers
- BBK Catted X-Pipe
- Pypes mid mount mufflers
- Borla S-type Cat back system
- BBR drop motor mounts
No internal work done yet…..More to come later on this subject.
http://www.allfordmustangs.com/forums/2011-v6-mustang-tech/323500-hit-550-mark.html

