Boost Reference Adapter VW Mk5 & Mk6 Golf GTI/R - Black

Boost Reference Adapter – Suits VAG 2.0 TSFI Engines – Replacement Adaptor for Turbosmart VAG Valves Turbosmart’s Boost Reference Adaptors (BRAs) allow access to a reliable boost reference, without compromising the operation of the car’s standard sensors and control systems. Size 1/16NPT