how to increase hp the cheapest way on 2013 RAM 1500, 5.7L from 395hp to 450hp

buy a used supercharger

Nitrous.

Have the E.C.M Super tuned to your truck. Don't just buy a chip. Have it tuned to your truck.

Tuning alone will never reach the 450 hp goal. A 150 hp upgrade is just not possible with simple bolt ons and a 1000 dollar budget. A good exhaust system and cold air kit will eat that budget right up.

I have a 2012 RAM 1500 w/5.7 hemi. I installed the Mopar cold air intake, put smaller and louder mufflers on, and then had a friend (who owns his own shop) Dyno Tune it. Now I have 450 horses from an almost total stock motor. The horses are there;they just need to let free. All together it was over $1200.00....but was achieved without any serious mods like a cam and turbo. Do yourself a favor and save money for the Dyno tuning if possible. I had a tuner/chip first and wished I saved the $350.00 for the tuning.