AIRAID Premium Universal Replacement Air Filter - MPN 721-478

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The AIRAID 721-478 Premium Replacement Filter is engineered to maximize airflow while maintaining rigorous filtration standards. Designed to replace restrictive factory elements or upgrade existing aftermarket intakes, this filter uses a multi-layer media technology to capture fine debris more effectively than standard cotton-gauze designs. This helps protect internal engine components while reducing intake restriction to support gains in horsepower and torque. High-Flow Media: Multiple layers of specialized filtration material provide superior dirt retention and airflow. Universal Application: Ideal for custom engine builds, specialized intake housings, or upgrading other performance intake brands. Rugged Construction: Built to withstand engine bay heat and vibration using premium materials. USA-Made Quality: Proudly designed and manufactured in the United States. Part Number: 721-478 Show more