Audi A4 1.8T 20V 1997-2006 TURBOSMART 25mm Uprated Dual Port Dump Valve BOV Brand_Akrapovic These are also 100% compatible

These are also 100% compatible with Methanol and Ethanol

MMINT-E90-07B (Black)

Ecumaster GPS module assures high accuracy position tracking with

The mandatory tail pipe set TP-T/S/19 needs to be ordered separately

more akin to that of a muscle car

Audi A4 1.8T 20V 1997-2006 TURBOSMART 25mm Uprated Dual Port Dump Valve BOV Brand_Akrapovic These are also 100% compatibleBrand: Turbosmart Part no: TS 0203 1022 Dual outlet type BOV. Dual Port vents both to the atmosphere and back into the air intake. Ports with sequential timing allow quieter operation during normal driving, while getting all the benefits of a vent to atmosphere BOV under race conditions. Easily converted to a full atmospheric or full bypass unit by using supplied port blanking plug. Please note; that for twin turbo applications, such as the Audi S4 2.