i'm trying to maximize my horsepower in my 99 5.9 I currently have a K&N CAI, Magnaflow catback exhaust. I'm not looking to do force induction at this time but what else could I do that actually has horsepower increases? I'm open to anything. Thank you.

 

You wanting "bolt on" goods or pulling the motor out to do work. Only thing I know is if you plan on doing -forced induction- to do research to make sure any internal mods done will work with that instead of against.

 

Forced induction is probably not going to happen on my durango and probably just bolt on mods for now.

 

Well a fastman throttle body, mopar performance intake, higher performance tune up (plenty of threads on here about tune ups), sct tuner (I'm using hemifevertuning version and love it), and lastly headers (not worth it until a new cam is installed or forced induction is used).

 

i'm not going with the throttle body. i've never seen dyno proven results from an after market tb with out forced induction but where would I find a mopar intake for my 99? on the website the earliest you can go is 2001

 

Whatever bolt on's you are going to use, it won't be cheap. SCT tuner $299-$399
Performance replacement intake manifold: $400-$600
Performance Throttle Body: $200
You go cheap, you get little or no noticable power increase.
You will pay a moderate amount of money to get a good noticable increase in power.
these prices are just parts only. You'll have to pay additional for labor if you do not do it yourself.