POLARIS Blow-Off Valves

XDR Blow-Off Valve Kits

XDR blow-off valve kits integrate external blow-off valves allowing you to vent excess boost pressure into the atmosphere. Thus, eliminating compressor surge and strain on turbochargers and creating that popular turbo swoosh sound. You can even use the adjustable knob on top to either extend the swoosh sound, or make it a quick, short burst of air. Boost your performance and thrill the crowd with XDR blow-off valve kits. Features, parts, and specs may include: * Serviceable Delta Force synthetic filter (stops mud, dirt, and debris from entering exhaust port) * CNC-machined aluminum construction * All necessary hardware * Detailed instructions for easy at-home installation * Easy disassembly for cleaning and maintenance * Lifetime limited warranty

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