This is the most popular e throttle butterfly sold. Quick response and has the abillity to handle ALS with huge boost without the need for a dump valve.
The butterfly flows well up to 1300hp. Delivered with bolt on flange to all audi 5 cyl 20V S2, S4, S6 RS2 intakes. Price is for a complete kit includes bolt on flange, or welding flange, contact and butterfly . We can provide pin numbers to this butterfly on demand.