hi all my car is a 1995r33 gtst mods are
3inch exhaust
k and n pod
hks front mount
spitfire coils
platnum plugs
ok now i only get 350kms per tank and i recently bought a apexi power fc and fitted it ran fine for 3 days now when i start it and it blows black smoke constantly? help!!! so i changed back to stock ecu blows little bit black smoke but when you flog it and change gears it dumps heaps of black smoke help! please