of engine
u can change air filter (K&N o open pod like apexi's)
denso idrium spark plugs
lightened & Dampered Crank Pulley
Port n polish
Performance Cam shaft
Adjustable Cam Gear
form work exhaust system (4-2-1 til the end :P)
Bro...anybody knows where to buy the air flow connector for gtr 34....
another..is it gtr34 alternator and air cond compressor same as which used in gtt34