im new to WRXs' and im looking to buy a 04 wrx, its got a hks exhaust and a intake. inside its got a boost guage and a air/fuel guage. when i test drove it, when i punched it the a/f guage went all the way to rich. but just crusin its fine. i talked to one of my buddys and he said it might have been tuned wrong and someone else said its just because im punchin it and its readin that imdumpin more oil/gas into the motor. just wanted your guys opinions on this, lioke i said im new to these cars.