STILLEN Longtube G3 Intakes. Review, Dyno and Impressions.

Originally Posted by miguez

I would imagine that you'd have small differences, yes, given the fact that on a dyno, the engine is fighting the resistance of the rollers. It would depend on the dyno manufacturer and workings, but they'd have to try and simulate the increase in aerodynamic and rolling drag, as well as air compression effects after about 100 mph.