2020-2026 L5P HSP COLD AIR INTAKE20202026 L5P HSP Cold Air Intake Improve airflow, throttle response, and overall performance with the HSP Diesel Cold Air Intake for the 20202025 L5P Duramax. Designed as a direct upgrade over the restrictive factory system, this intake allows your engine to breathe easier translating into more efficient power delivery and a more responsive driving experience. Engineered for both performance and reliability, the HSP intake features a high flow filter
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