If you're just after the noise or additional dirt in the engine, go for it. No tune needed.
'99 F250 V10 Super Cab Long Bed 4x4. '06 short block, PI conversion, modded airbox, 5 Star custom tune, FM50BB, 315/75-16 GY Duratracs, mild lift, 4.30 LSD, Ride-Rite bags, on board air, Rancho RS9000 w/MyRide, under bed subwoofer, 160 amp Quick Start large case alternator
Why, yes, I am some kind of geek engineer. Thank you for asking.
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