Originally Posted by djpathfinder

Regarding the intake fail, it isn't...It seems the order they installed and dyno were: exhaust first, then LTH and intake, and then tuned. It's commonly known that HP gains with more than one bolt on is not additive (17 HP + 11 HP does not equal 28HP when combined together). You yield the most HP gains with the first bolt on. Plus, the small amount that you have to trim is no big deal.