ISR Performance Tial Weld-On Blow Off Valve Flange Kit - Aluminum

ISR Performance 50MM Tial Weld-On Blow Off Valve Flange - Aluminum

*This does not thread onto isr modular hot pipe *

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Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.