anyone know of any mods for a 99 5.4 besides edge cai or u/d pulleys already got those.

 

do you have electric cooling fans?

 

not yet love to have em but dont wanna spend over 300 bucks on a mod at the moment. Wish i could get em for 300 a kit or piece em together and im sure able to install em. If anyone knows how i could get efans for 300 lemme know!

 

High flow cats OR longtube headers (pacesetter or dynomax for the price). With your custom tune, you should be able to pick up 30 hp/35 tq gain.