planning on doing some more upgrades this year and want your opinions and answers.
want to replace stock injectors with bigger ones, do i need to get a bigger fuel pump?
which programmer is the best? has best hp and torque gains? other upgrades soon- under drive pullies, flex fan. which headers are the best? want something cheap and good quality.
any input is more than welcome.

 

Check out the FAQs sticked at the top of the page for polls and other info on all those Qs you asked. As for bigger injectors and fuel pump, dont waste your time.

You also should tell us what your overall plans for the truck are and a budget.

 

^^^^+1 The only way you will need injectors is if you add a supercharger or turbo.