• Running more boost on your 1HZ or 1HDT? 4 inch inlet and outlet and a free flowing filter design will ensure that your turbo is happy and you get the boost out of your upgraded performance parts. In testing this box drastically reduces vacuum from filter to intake, especially in boosted diesel applications running 20-40 PSI you can blow up your turbo if you’re using a restricted intake.  Uses 2001 Silverado Duramax air filter. We have adapter brackets for FJ60/62 and FZJ80 Land Cruisers.

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