bruciem469

iTrader: (3)

I have an 02 ws6 with kandn intake ported tb bbk shorty headers msd coils and wires slp y pipe magnaflow catback and i get terrible milage like 18 highway the car is tuned how are some of you guys getting like 26 i have no check engine no misfires the tune seems to be decent the car runs well i don't understand maybe someone can shed some light on this for me? i'm not driving like a maniac i grandmom it so confused