Z-Series Drop-In Kit 15" It also features the ability

It also features the ability to change the LPF on the mid from a 12dB

Frequency Response: 10Hz to 15KHz

500 Hz Voice Coil Diameter 1

Replaces the OEM bracket completely and utilizes OEM threaded holes in the engine for maximum rigidity

Z-Series Drop-In Kit 15" It also features the ability**Zv1, Zv2 and Zv3 Drop In Kits must be called in to order.** These are standard drop in recone kits ONLY. If you need a custom recone kit, you will still need to call us to place your order. There are no refunds or exchanges with drop in re cone kits. Please make sure you are ordering the correct model, version and impedance prior to ordering.