Originally Posted by UNKNOWN_370

So why do we install intakes? Intakes are there because they are part of a system. That system is a new intake, manifold, header, downpipe/HFC, and exhaust. when you make the complete mod and finalize it with a tune, you will see serious power gains. Between 50-80hp.

Most don't follow this method. Most add on an intake and exhaust. Forget about the rest and at best gain 20hp up high while losing 10 down low. The full mod is meant to be done in one giant modification to feel the true results of your breather mods and tune.