yeh i just went get it checked nuffffin wronng wif my cat bak and car ..the dude just said that its the fuel compestion i think i neeed a power fc ecu! how much do they cost???
too much petrol going though makes the car backfire and skyline stock ecu dectects all diffrent signals thats why i think the stock one cant handle it =/ NEed A power fc ecu ! any one know how much it cost? and where to buy it from?