Re: Will an exhaust actually help with mpg
Any idea what caused your mileage to decrease from 18 to 14? Did you add the chip, exhaust and intake all at once? I would like to know if you were able to isolate out an exhaust difference.
2002 f-350 PSD, 4x4, cc short bed, 6spd, ccv mod, airdog, AIS filter, isspro ev and scangauges, detroit TT, ITP boost annihalator, ITP RR, bellowed up-pipes, ats housing, turbomaster, 3.5 dp magnaflow, very happy with ultra smooth and linear PHP 50t, 80DD and "whisper" tunes.