Rolling Resistance is the term. :notnice:
I still chirp my tires even with 17 x 10.5" in the rear. :nice:
...& unless ur running w/squeeze, a S/Charger, Turbo, or a built 3.8 Stroker motor, stay with duals and run 2.25" pipes. Larger than that (2.5" and up) kills your torque and HP. I...