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Maintain optimal airflow and protect your engine's air filter with the Sinister Diesel Pre-Filter Sock. This easy-to-install addition traps dirt and debris as small as 5 microns before they reach your main filter, extending its lifespan and preventing power loss.
Key Benefits:
- Enhanced Air Filtration: Traps fine particles down to 5 microns, keeping your engine breathing clean.
- Extended Air Filter Life: Reduces dirt reaching the main filter, minimizing cleaning or replacement frequency.
- Maintained Power: Ensures optimal airflow for peak engine performance.
- Easy Installation: Simple slip-on design for quick and hassle-free installation.
- Durable Construction: Built to last with a 2-year warranty.

Maintain optimal airflow and protect your engine's air filter with the Sinister Diesel Pre-Filter Sock. This easy-to-install addition traps dirt and debris as small as 5 microns before they reach your main filter, extending its lifespan and preventing power loss.
Key Benefits:
- Enhanced Air Filtration: Traps fine particles down to 5 microns, keeping your engine breathing clean.
- Extended Air Filter Life: Reduces dirt reaching the main filter, minimizing cleaning or replacement frequency.
- Maintained Power: Ensures optimal airflow for peak engine performance.
- Easy Installation: Simple slip-on design for quick and hassle-free installation.
- Durable Construction: Built to last with a 2-year warranty.