Everything you have heard is true... and more! Dyno proven horsepower gains:
- Up to 130 HP on a stock 99 GT
- Up to 95 HP on a stock 96-98 4.6L GT
- Up to 125 HP on a stock 4.6L Cobra
- Up to 110 HP on a stock 5.0 Mustang
Gains of more than 200 Horsepower have been achieved on a modified (street driven) 5.0L Mustangs.
S-trim kits for 86-95 Mustangs come with a standard 36 month 36000 mile warranty.