Turbosmart Blow off valve (BOV) EM Plumb Back For Audi S8 (04/12-03/17) 4H TS-0223-1263

TURBOSMART
The award-winning Kompact EM series Blow-Off Valves, are the world’s first truly plug and play Blow-Off Valves. Simply unplug and unbolt your OEM Blow-Off Valve, and install ours in its place. No adapters, hoses or extra assembly required. All this while retaining complete OE control of the BOV’s operation.