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The K&N Airforce Pre-Cleaner is a specially designed foam filter wrap made to extend the service interval of your K&N air filter when used in very dusty conditions
allowing users to program ECU #
Note: GM12639250 will not fit LSX blocks
WH (1999–2003)
1-3/8 inches in outside diameter with a 3/4 inch flange which is designed to clamp directly on to metal or plastic tubing
33-3174 K&N Replacement Air Filter, 2021 - 2026 Nissan Rogue / Qashqai/ X-Trail/Mitsubishi Outlander detailing The K&N Airforce Pre-Cleaner isK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your