The Airaid SynthaFlow Cold Air Intake Replacement Filter boosts engine filtration and performance. Replacing short-lived factory aftermarket CAI filters, your Airaid SynthaFlow catches crud and boosts performance with multiple oiled cotton gauze and synthetic fiber layers. Lifetime Warranty.
The Airaid SynthaMax Cold Air Intake Replacement Filter takes your CAI over the top. Replacing that worn aftermarket CAI filter with 5 layers of non-oiled, 100% synthetic fiber, your Airaid cold air filter is reusable for life and cleans up in regular detergent. Lifetime Warranty.