Eh im afraid its not a real slipper clutch but some fancy vacum thingy that runs only when your on a closed throttle so naff all use really cos how often are you on closed for a fast downshift eeeehhhh never but i think if you wanted to put it on a gen1 there would be a few problems but did the gen 1 not have the same system as the gen2 anyway worth finding oot m8 ....