Turbosmart Kompact Plumb Back Blow Off Valve Make & Model_BMW E90 The Ultra-Gate features a one-piece

The Ultra-Gate features a one-piece Stainless Steel Valve for maximum reliability

the Turbosmart Boost Gauge Cup features a clean black finish that can easily adjust up and down

alongside the razor sharp valve response and far superior increase in performance transforms your Fiesta ST

Features Solid 1 Piece Coated Stainless Steel Valve and Silicon Nomex Diaphragm for true reliability and performance

and they become brittle with age until they eventually crack

Turbosmart Kompact Plumb Back Blow Off Valve Make & Model_BMW E90 The Ultra-Gate features a one-pieceFull recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts not wanting to be noticed but wanting the performance and reliability benefits of a quality BOV. APPLICATION: Fits most cars using the factory BOSCH or DENSO bypass valves.