im loving my fuel economy ! it got aftermarket front pipes, hi flow cat and cat bak zorst, M's pod filters and profec b running 13psi, alwaysmanage to get between 440 - 480kms per tank, city driving ! with a hit here and there...
my mates got an r33 gtst series 2, he got terribal fuel economy, were talking 280 - 300kms per tank, we changed his 02 sensor, cleaned his afm, did a pressure test...now his getting close to 400kms...prob more if he changes his driving style lol