1.8L counter flow engine with 8 valves, throttle body is on the passenger side of the engine bay, intake manifold mounts on the rear of the engine above the exhaust.
Stage I - For street applications. for best results, 268 cam or larger, dual outlet manifold or headers recommended. No loss of low end power, good mid-range gains. 9% more flow over stock. 7 HP gains depending of other modifications.