I tried a search and pretty much came up with a bunch of itb post's but i was wonering if anyone knew the diameter of a stock F22 throttle body? I was thinking of boring mine out and honing the intake mani too. Has anyone done this before? goo things? bad things? gimme your 2 cents.

 

The stock F22C TB is 66 on the outside and 62mm inner.

 

^ Is this the same for the AP1 TB's as well?

 

Yep. The size is actually 62.5mm at the butterfly.

 

And the IM is 63 mm