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A4 QUATTRO
Stock boots soften with heat and split under boost
transmission coolers
Ideal for powering impact wrenches
Bolts directly into factory coilover mounting locations
aFe Magnum FLOW Pro DRY S Air Filters 21-91087 Bumpers & Accessories A4 QUATTROThis aFe Pro Dry S drop in air filter element (SKU: afe magnum flow pro dry s air filters 21 91087) is a direct replacement for vehicles requiring part number 21 91087 that swaps out your restrictive OEM paper filter for a high flow performance alternative. It is one of the simplest upgrades you can make to your engine's air intake system, delivering sharper throttle response and measurable gains without any modifications. The Pro Dry S uses three
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