hi hi kylim8
If u want to mod your s15 to 450hp then u only need to change all your eng head set to
HKS step 3,
Greddy T67,25g turbo and
Power Fc ecu.
Hope this list can give u some ideal
Dear Sifu's
Anyone has or know where i can find a g/box switch for my 180sx (auto)? i have temporarily put in a direct relay however at aproximately 80kmh the gearbox starts shifting up and down by itself...not too...