hey i was wondering if i should get the 52mm throttle body i mean ow i have ram air coming would this get me some serious hp or would it be overkill i do plan on getting siamesed runners and maybe a ported plenum so would you recommend this

 

Telling us what motor you have might be a good idea.

If you have less than 350rwhp, don't waste your money.

 

What size throttle bodies do TPI cars have stock?

 

Stock is 48mm. It's the same size that Chevy used on the LT4s, which made around 300rwhp, and even their 500hp 502 crate motor uses a 48.