I know a stage-one kit improves HP, Torque and sound, compared to stock. But what I'm wondering is:
- Will the engine run cooler (and feel cooler aboard) than stock?
- Will the new power efficiency affect the longevity and wear-and-tear of the engine, in the positive?
'09 Road King
- Will the engine run cooler (and feel cooler aboard) than stock?
- Will the new power efficiency affect the longevity and wear-and-tear of the engine, in the positive?
'09 Road King