Use this intake kit when you're looking to enhance the performance of your 2011 - 2013 Mazda 3 L4 - 2.0L. It's perfect for car enthusiasts who want a simple yet effective upgrade to their vehicle's power. The kit includes a mandrel - bent aluminum intake tube and an oversized conical filter. While exact dimensions aren't mentioned, it's designed to fit your Mazda 3 easily and can be installed in under 90 minutes.