i want 2 ask aboute the fast fuel injectors which is in your l99 , did u feel some power after u fit it ? and shuld i change the spark plug or the factory one is good ?
i have l99 with ----magnaflow catback -- k&n airintake -- slp underdrive pully -- manifold spacer
but i don't feel much ,,
so i think about fast throttle body 102mm , if it's give much power ?