Many people are fabricating InTake? systems and throttle bodies from various sources of components.

google around a bit: throttle body head runner plenum

Mechanically controlled throttle

you can usually find Suzuki GSXR (600,750,1000,1100) throttle-bodies for under 100 Euro on,

VAG Mechanical Throttle with electronic Idle Control


Electronically Controlled Throttle

Also called as InTake/DriveByWireThrottle

(we don't make a distinction of "drive by cable throttle" )

VAG Electronic Throttle


See also