NEUSPEED OEM Diverter Valve | MK4 GTI · Jetta · GLI · B5 Passat · MK1 Beetle · B5 A4 · B6 A4 · MK1 TT | 1.8L Turbo I4 F25 X3 28i 2.0L Turbo I4 [N20] Inlcudes Apple & Android mobile

Inlcudes Apple & Android mobile flashing app

Enhanced exhaust overrun crackle in sport mode

aerofabb Street Edition V2 Rear Diffuser

Easy removal / reinstallation for servicing

NEUSPEED OEM Diverter Valve | MK4 GTI · Jetta · GLI · B5 Passat · MK1 Beetle · B5 A4 · B6 A4 · MK1 TT | 1.8L Turbo I4 F25 X3 28i 2.0L Turbo I4 [N20] Inlcudes Apple & Android mobileIf you own any Audi A4 1. 8T or VW Passat 1. 8T, or a Golf, Jetta or Beetle 1. 8T built prior to 2002, you should upgrade your factory diverter valve to the latest version offered by Volkswagen. This valve, known as the '710N', has a 14. 4 lb spring inside versus an 8. 8 lb spring found in the earlier G J B models and in all years of the Audi A4 1. 8T and VW Passat 1. 8T. The 1. 8T diverter valve is responsible for recirculating the pressurized intake