Boost Controller (Ball and Spring)The Forge UNOS boost controller is a ball and spring CNC machined to aircraft grade specifications and incorporates a ratchet type top adjuster that will allow for the positive and precise adjustment that your driving style demands. The controller can be dash or engine bay mounted to suit your preference. This product is a universal component, and as such, no vehicle specific fitting instructions can be provided. This product is designed and built

flange mounted available to fit the Impreza V5

0TSI engine

there was no perfect solution and a compromise spring was normally installed

this in-turn lead to superior performance over the stock item

They really are a worthwhile investment if you don't want to breakdown

either with a straight rod or a bent rod

available in either a foam (FMPK371) or pleated option (FMINDF500RCP)

8T enthusiast

1 x FMBGFK3 (Vacuum Tap

This prevents our blow off valves suffering any of the failures associated with single piston and diaphragm type diverter valves

The PU material used for its construction is the same as the original factory air box and engine-cover

16mm Straight Silicone Hose - 1000mm