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Audi A4 Injen Air Intake Systems

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Latest Customer Reviews

Injen SP Series Cold Air Intake Reviews


Amazing product!

Reviewed By Patrick F (WATTSBURG, PA) Reviewed for a 2015 Mitsubishi Lancer —4/18/2017 10:24 PM

You can instantly notice the hp and has mileage! I would suggest buying a hydro shield though

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Injen Replacement Air Intake Filters Reviews


Best filter!

Reviewed By Edgardo A (Glendora, CA) Reviewed for a 2014 BMW 4-Series —4/11/2017 3:51 AM

One of the best filter for my BMW. The only thing is my CEL is coming out in my dashboard and still waiting for my CARB sticker for my Injen intake system.

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Injen Hydro Shield Reviews


Works good

Reviewed By Peter K (HYANNIS, MA) Reviewed for a 2016 Subaru WRX —2/8/2017 1:02 PM

Works good at stopping water. Even running it under faucet no water got through. It also helps keep bugs gravel and leaves from getting stuck in the filter.

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