Reduce turbo lag with bypass valve for boondocker agility kit Polaris axys 800

[Dawson1223]

Was thinking of installing a vacuum check valve or something similar on charge tube to help reduce turbo lag. I can’t cut into the air box as my kit came with the intercooler installed in the air box. Looking for some ideas on what people have done with same air box. If you installed a vacuum check valve, what brand, crack pressure, and diameter of valve? If you used a reed where and how did you mount? Added photo of intercooler

Thx for the help

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