Just need help on deciding to get some shorty headers for performance or spend it on gettin a cai. Or what would you prefer to get my performance better.Got a 99 f150 4.6.Thanks for any help.

 

that all depends on what your looking for in performance, what you have for exhaust right now, etc. etc. Depending on your exhaust set up, you might get a little more power with headers. There are many mods you can do to your factory air intake if your looking for more air flow, you just have to research it.

 

All i have is some flowmaster no major upgrades.