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Magnuson Supercharger On Jeep 3 8l With Factory Airbox

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1. We like that the supercharger kit retains the factory airbox. It’s true that the factory airbox will limit airflow at higher rpms, however it keeps dirt and water out of the engine better than an aftermarket open-air element. Note the relocation of the battery. It’s now turned 90 degrees. Aftermarket dual battery kits will likely need to be scrapped to fit the supercharger.

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