Turbosmart Kompact EM VR1 Diverter Valve for 2017-2020 Audi RS3 (TS-0223-1263) Optima Proven +15 whp and +8

Proven +15 whp and +8 wtq bolt-on power increase on a stage 2 tune

• Internal speed controller for variable flow operation

• Manifold cover for Evo 9 (1555A166)

All ARP rod bolts are heat-treated before grinding and thread rolling and have a large under-head radius for greater strength

Select shocks based on whether your car had ECS from the factory

Turbosmart Kompact EM VR1 Diverter Valve for 2017-2020 Audi RS3 (TS-0223-1263) Optima Proven +15 whp and +8The Multiple Award winning Kompact EM Series of Upgraded Diverter Valves are the worlds first genuine plug and play Upgrade solution for your factory diverter valve. Unplug and unbolt your OEM Valve, and install a Kompact EM Valve. No adaptors, hoses or extra assembly are required. This "Plumb Back" will recirculate the air back into the system like factory, where as the "Dual Port" that is a vent to atmosphere design which will be louder than stock.