These 3 are the main things to start with on the engine.
cncfab.us
cncfab.us
And an exhaust. We normally recommend MBRP due to the amount I've installed. Diamond eye is cheaper, but I've ran into more fitment issues with them compared to MBRP. I didn't dive a link to a particular exhaust because there are so many options.
If you plan on doing a fair amount of traveling, I'd also recommend these 2 things.
cncfab.us
cncfab.us
Feel free to call the shop at 419-980-5371 or email us at [email protected]
PHP-HYDRA
FREE STOCK TUNES: Your Hydra Chip comes with access to the Power Hungry Performance server by downloading the Hydraflash App at no additional cost to download your tunes. Examples of the stock tunes that already come with the Hydra Chip are listed in the table at the bottom of this page. Note**...

S&B Filters 99-03 7.3L Cold air intake - 75-5062
The S&B Filters 75-5062 cold air intake kit for your 1999-2003 ford 7.3L Powerstroke provides your truck with increased airflow, efficiency and power! this cold air intake system includes an oiled, cleanable air filter built with premium silicone material. All components in this intake system...

And an exhaust. We normally recommend MBRP due to the amount I've installed. Diamond eye is cheaper, but I've ran into more fitment issues with them compared to MBRP. I didn't dive a link to a particular exhaust because there are so many options.
If you plan on doing a fair amount of traveling, I'd also recommend these 2 things.
EDGE- 84130-3
Find 84130-3 Electronic Multi Pur from Edge Products and other parts you need at cncfab.us.

Edge Products #98620 EAS STARTER KIT W/15IN. EGT CABLE FOR CS/CTS/CS2/CTS2 (EXPANDABLE) - cncfab.us
Find 98620 Performance Module A from Edge Products and other parts you need at cncfab.us.

Feel free to call the shop at 419-980-5371 or email us at [email protected]