I got my series 2 stagea stock as and was getting about 350ks a tank, so i had a carbon clean done on the fuel system cost me $120 and i was then getting 450km to 550km a tank then I had aftermarket ecu, intercooler, fuel pressure regulator, splitfire ignition coils, 3 inch mandrel turbo back exhaust, eboost2 running 14 psi, 500hp intank fuel pump, apexi power intake, and now i get around 300kms to 350kms a tank now I want to sell the beast.