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Wilson Manifolds Blow-Off Valve Assemblies

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Wilson Manifolds blow-off valve assemblies are available in two sizes with 2.5 or 3 in. V-band connectors. Crafted from billet aluminum, they direct the airflow correctly through the throttle body to add horsepower. Select the size the size needed.

Benefits:

* Greatly reduces the risk of throttle body and charge pipe damage
* Creates low pressure zone to instantly evacuate boost pressure to the blow-off valves
* Instantly relieves pressure on the throttle body blade when the blade closes
* Eliminates reversion wave to a blow-off valve downstream in the charge pipe

Results 1 - 4 of 4

Blow-Off Valve, 123mm, 2.5 in. V-Band Connectors, Billet Aluminum, Black, Each

Part Number: WSN-491123-25

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Blow-Off Valve, 105mm, 2.5 in. V-Band Connectors, Billet Aluminum, Black, Each

Part Number: WSN-491105-25

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Blow-Off Valve, 105mm, 3 in. V-Band Connectors, Billet Aluminum, Black, Each

Part Number: WSN-491105-30

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Blow-Off Valve, 123mm, 3 in. V-Band Connectors, Billet Aluminum, Black, Each

Part Number: WSN-491123-30

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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