Does anyone know the OD of the throttle body. I would measure it myself, but my Jeep has been in the shop for a week. I think that it's 2.25in but I'm not sure. Thank you.

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KK 4x4 auto.- 18mpg
07 Patriot CVT- 30mpg

you want the size opening of the mouth?... if so why? considering the fastman throttle body?

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08 Revenge- Rock Lizard (Skink Sliders & Gecko Roof Rails), High Clearance Trimmed Front Bumper, Mopar skids, Riddler Diff Cover, JBA (5.5 Arms, 6" rear Springs, Front Adjust-A-Struts), 32" DuraTracs, Superior 4.56's, Front & Rear ARB Lockers, Fastman Throttle Body, AEM Intake, Hypertech Tune, Custom Ram Air, RunCool Louvers

I just want the OD of the inlet side, the plastic part. I'm making a CAI or thinking about it.

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KK 4x4 auto.- 18mpg
07 Patriot CVT- 30mpg

OD is just under 3" but more than 2.75". I made my own CAI using the stock rubber coupler on the intake and a 3" OD sewer pipe coupler(made for R/Vs), with a 3" ID(smooth bore) sewer hose(R/V also). It was a tight squeeze to get it in, but the ID's were a darn near perfect match.
I cut the coupler in half to make it shorter so the bends wouldn't be so tight in the hose.

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07 KA Light Khaki, Manual trany.
2.5" Adjust-A-Strut JBA lift, Euro taillights,
Home made; Front Tilt Hood, Roof Rack, RAM Air, & CAI.
ESP Off Switch
Take a ride on the Trō side!