MACE STAGE 1 PERFORMANCE UPGRADE TO SUIT FORD FALCON FG BOSS 290 5.4L 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 the Boss 290 V8 engine. 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 performance modes in this