My question is do i need them? I mean will it help my handling or anything like that? Also if anybody suggests that i might want to get them, which ones front, rear,....etc. or all? One last thing......Which Brand? Thanks for your time!

Black Sapphire '96 RS w/ Blitz Kit
AEM CAI,AFX UDP,Apexi N1 Exhaust,NGK BKR-5e11 Plugs,Magnecore Wires,Primax 496 17's w/ Falken Azenis Tires,Blue Interior Lights,Greddy Shifter Knob-Boot-Pedals, TYC Black Taillights