Stealth black compact 25mm x 25mm Recirculating (closed loop) dump valve with adjustable spring preload. Direct replacement for factory standard 25mm fitment plastic valves that are notorious for failing on modern turbocharged cars.
    
   
Re-Circulating
   
Piston operation
   
Stealth black
   
Fully adjustable
   
Inlet size 25mm
   
Outlet size 25mm