K&N 15 GMC Sierra 2500/3500HD 6.6L V8 AirCharger Performance Intake

K&N 15 GMC Sierra 2500/3500HD 6.6L V8 AirCharger Performance Intake

Marsoni

M251S

$185.00

Get it in 3 business days with 1 day shipping. Friday, May 29

K&N 15 GMC Sierra 2500/3500HD 6.6L V8 AirCharger Performance IntakeA high density polyethylene (HDPE) rotationally molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect

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Got this to replace cabin air filter on 2020 Honda Civic Sport, as it said it was a direct fit… It does fit but not perfectly! Holding it next to the filter you can see the size difference, with the original being slightly longer. I noticed a whistling sound from the AC at full blast right after install. I believe this noise is caused by the small gap left in the retainer box with the slightly smaller filter. Luckily it is not incredibly loud, but it’s still there. The quality of filtration seems to be much better than stock filter, but the fitment not exact for vehicles mentioned above.

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Reviewed in the United States on May 17, 2026