Originally Posted by Ryan Ehrlich

Thanks guys for all your input. I did go from 265/70/17's to 35" tires after i put a lift on the truck which i did notice the truck struggled more after that. So just recently I re-geared it from 3.55 to 4.10 and oh my god it is a big difference especially when i go back to stock tire size for the winters up here in Wisconsin. Yeah rpms are a little higher on the freeway but torque wise i think this was the best bang for the buck. Thanks for all your help gentleman.

Originally Posted by w0lvez

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Originally Posted by w0lvez

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Originally Posted by TheUnforgiven71

Thanks for the great info, made my day finding out my 4.6 3.55ls is one of the best. ::thumbs up::

Originally Posted by me1234

Not to burst your bubble on the CAI, but it most likely did more harm than good. These trucks already come factory with a CAI. The purpose of a cold air intake is to get air that's cooler than that of the hot engine bay. It's pretty difficult to beat the factory setup w/o a badass configuration.