Thread: Realistic gains to expect from an intake?

Originally Posted by SnowTh1ef

Headers will be a gain whether N/A or SC at any RPM because its flowing better. I didn't swap pulley on my car and butt dyno was greatly improved.

Thanks man, that cleared it up. i would think that since the same amount of air is going into the engine, the boost pressure reading would be less determinant of the power the engine is making.