Turbo XS Type H RFL Blow Off Valve (BOV-H-RFL) Snap-On If you need to replace

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Turbo XS Type H RFL Blow Off Valve (BOV-H-RFL) Snap-On If you need to replaceWith new and improved styling, the BOV H RFL remains true to it's roots it's still really f'n loud! Like all Turbo XS valves, the RFL relieves compressor pressure surge caused by changing gears or backing off the throttle and has been used on turbo charged engines running up to 35 psi boost. If you need to ask how loud it is, this valve is too loud for you! Blow Off Valve Type H RFL comes standard with both a mild steel and aluminum weld on adapters.