Hi,
i can see 3 main types: Vortec, Whipple and Magma.
Vortec: Increase your horsepower from 316 to 436 and torque from 360 lb./ft. to 465 lb./ft
vortec website
Magna: 63-125% more horsepower (from 2,000 rpm to 6,000 rpm) what about the torque?
Magna SC
and the Whipple: Up to 50% horsepower increase
Up to 50% torque increase throughout entire RPM range.
Whipple SC
Which one do you advise me to buy and why??
i want it for outside US.
Regards
Elie