2003 Audi A3 Turbocharger Blow-Off & Diverter Valves
- Torque Solution®Blow Off Valve AdapterAudi A3 / A3 Quattro 1.8L 2003, Blow Off Valve Adapter by Torque Solution®. The Torque Solution blow off valve adapter was designed to give you that atmospheric blow off sound your looking for on your turbocharged VW. A simple bolt on...Great sound6061 Billet Aluminum$63.30
- APR®R1 Diverter ValveAudi A3 1.8L 2003, R1 Diverter Valve by APR®. The APR R1 Diverter Valve is a critical performance upgrade recommended at all stages of performance as it replaces the failure prone factory unit. The R1 is designed to withstand extreme...The APR R1 Diverter Valve is a critical performance upgrade recommended at all stages of performanceThe R1 is designed to withstand extreme boost pressures at the highest levels of performance$199.95
2003 Audi A3 Models