MACE STAGE 1 PERFORMANCE UPGRADE TO SUIT FORD FALCON FG X BOSS 335 345 SUPERCHARGED 5.0L V8This Mace electronic throttle controller and K&N's air filter have been put together to meet the performance upgrade requirements of Ford Falcon fitted with Boss 335 and 345 Supercharged V8 engines. Mace electronic throttle controller eliminates the delay that exists between the throttle pedal and the butterfly in the throttle body, re establishing throttle response and bottom end acceleration while improving low torque. There are different