Turbosmart Kompact EM VR1 Diverter Valve for 2017-2020 Audi RS3 (TS-0223-1263) Optima The R&D team took the

The R&D team took the new Toyota Supra deep into the lab to extract the hidden power lurking under the hood

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

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

hot side coupler

Turbosmart Kompact EM VR1 Diverter Valve for 2017-2020 Audi RS3 (TS-0223-1263) Optima The R&D team took theThe 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.