Agency Power EVO VII- IX

4G63 Adjustable Blow Off Valve.

1.25" Flanges



Lancer EVO VII-IX

Price $320.00

Available in Black Red and Silver


Knowing that the EVO has a very sensitive MAF which causes many BOV's not to work correctly, Agency Power turn to its design team to produce the first multi function and fully adjustable Blow Off Valve for the Mitsubishi EVO, 4G63, and other vehicles using 1.25 inch inlet and outlet flanges.

The outlet flange is removable and can also work as a full vent to atmosphere position. The base is 1.25 inches in diameter and designed to be used with the factory hoses in the factory position. The brass nipple on the side is ridged to ensure the vacuum hose stays secure and has no leaks.


The Agency Power BOV is a fully adjustable and fully rebuildable. The BOV is designed to be used with several different setups.

Can be set up to vent 100% atmosphere, 50/50 or 100% recirculation [stock]. The valve includes the return line plug as well.


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Polished Intake Adapter with bracket and cone air filter




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