I just bought my new '06 f150 4.6L and I need some more power. I've got dual flowmaster exhaust and I bought an airaid intake which came with a throttle body spacer and I also got a superchips flashpaq tuner for the performance tune which seems to be working pretty well. What else should I get? I know theres not alot out there for the 4.6 but I want around 400 horses, I'm thinking the things I've added have me at a little less than 300 but I doubt it... Was thinking of a supercharger but it might take awhile to collect the funds, anyone have any less expensive ideas I can do in the meantime? Thanks in advance.

 

Your going to need much better stuff to hit close to 300. Id say a sell what you have and start from scratch. Buy an af1 3.25 air intake, with a troyer custom tune, fan, and pullies. That should get you around 250 at the wheels. Next your going to need a super charger with new maf, injectors, and headers. From there I would go with nos. That should get you about 400 when you hit the button.

 

Instead of supercharging it you might want to try this:

http://www.proturbokits.com/store/sc...?idproduct=129