GFB T9351 DV+ Upgrade Diverter / Recirc Valve - Audi S1 8X BMW M4 Carbon Fibre Diffuser Lower exhaust backpressure for improved

Lower exhaust backpressure for improved engine breathing

BMW F22 F23 ECU upgrade

BMW alloy wheel protection

or ST – each available in a variety of colours

more aggressive look while retaining a subtle OEM-plus finish that suits daily use and show cars alike

GFB T9351 DV+ Upgrade Diverter / Recirc Valve - Audi S1 8X BMW M4 Carbon Fibre Diffuser Lower exhaust backpressure for improvedEuropean manufacturers are pushing their engines to the limit. Get a DV to match. GFB's DV+ diverter valve range offers a direct fit performance solution for the weak factory diverter valves used on many modern vehicles. By retaining the factory ECU control and recirculating the vented air, the DV+ is a purely performance orientated product. GFBs DV+ design solves the longevity and boost leaking issues that are common with factory diverter valves, and