Intake Talk

[jimstaz]

Originally Posted by reddozen

Simple answer is none. the most that I've seen documented is 5HP, but that can be argued as just a tighter motor/better tune. I would stick to stock, AEM, Mazda Speed (repackaged AEM), or Racing Beat. They're the only things proven to not loose HP.

those are the brands i noticed in forums, not discontinued or ones that are common people pick up.. well thank you for your time and ill go from there.