ND Mazda MX-5 Sound Tube Mod

Many individuals prefer to eliminate their sound tubes, while others opt to amplify them. The firewall adapter utilizes a 1-1/4x20" Continental universal radiator hose, which can be easily obtained from your local auto parts store, and connects to the original hard plastic junction. The "diaphragm" is positioned between the OEM Mazda tube and hose and acts as a seal, preventing intake from entering the system. You'll be pleased to know that the ND Mazda MX-5 Sound Tube Mod offers a customizable solution to suit a variety of preferences. With the use of a firewall adapter and a 1-1/4x20" Continental universal radiator hose, easily accessible at your local auto parts store, you can seamlessly integrate the sound tube into your exhaust system. This efficient design, including a diaphragm that acts as a seal between the OEM Mazda tube and the hose, ensures that your engine remains free of harmful intake. By Brandonmp97.