The BLOX Racing performance air filter features a high-flow, dry element filter. The dry element filter prevents any sensors from becoming soaked with oil that is normally associated with wet filter brands. The BLOX Racing filter is dyno-proven to increase horsepower and torque.
The 6" base opening fits over any BLOX Racing velocity sta
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Ryan · January 31, 2026
Perfect fit for a custom intake for my C7.5 A6. The 4" filter has amazing performance.