1 mph if at all. My RPMs stayed the same at 60 mph as before, so idk.
2006 Ford Ranger FX4 Level II
torsion bar crank, 32x11.50R15's, DSG Alcoa's, S10 Blazer short OHC, black interior, Sonar projector headlights, taillight mod, Nightshades, hood/grille blackout, glasspack and resonator tip side exhaust, Xtang Blackmagic tonneau cover, THE original STX swap.
1986 Ford Bronco XLT
2013 Ford Focus SE