AWRON Exhaust Valve Controller - BMW G87 M2 | G80 | G81 M3 | G82| G83 M4 (Competition) M6 (E63 / E64) Our widely successful “Dorch Stage

Our widely successful “Dorch Stage 1” (DS1) has been replaced with our latest and greatest creation

Additional 65-70 hp on a stock vehicle

Evolve are pleased to offer our catless turbo downpipes for the S63B44TU engine found in the F10 M5 & F06/F12/F13 M6

Although the 6 spoke design is very simple

Pipe Diameter: 76mm/3"

AWRON Exhaust Valve Controller - BMW G87 M2 | G80 | G81 M3 | G82| G83 M4 (Competition) M6 (E63 / E64) Our widely successful “Dorch StageSound at the touch of a button! With the AWRON CAN BMW flap control, you can open and close the exhaust flap at any time. One press of the exhaust valve button and the flap is operated independently of the sports mode. This allows you to enjoy the sound of your BMW whenever you want. The selected flap position is recalled after restarting the vehicle (memory function). Functions Exhaust flaps: Controllable via exhaust valve button Sound tuning: The