Toyota Yaris GR and Corolla GR Dump Valve S4 Over time the OEM valve

Over time the OEM valve begins to leak

Engine light will illuminate when installed

the first generation Audi R8 V8 marked a new era for well-built

5mm OD Outlets)

The OEM RS3 fine oil (cyclonic) separator is retained

Toyota Yaris GR and Corolla GR Dump Valve S4 Over time the OEM valveThis Blow Off, or Dump valve, has been developed for the Toyota Yaris GR Turbo engine that has the electronically controlled bypass valve (OE Part no. 7. 04654. 08). It is recommended for any vehicle where the boost pressure has been increased by an ECU software upgrade and for unmodified vehicles operating in warmer climates, as a solution to the many failures that have occurred. Unfortunately, the failure doesnt always result in a check engine light