Review on 🔇 HMF 6946006 Quiet Core for Exhaust: Enhance Performance with Advanced Noise Reduction by John Espindola

Bought a performance kit. Includes HMF exhaust, K&M filter and HMF fuel optimizer. My new HMF exhaust for my 4 wheeler was too loud so I ordered it. I removed the end cap as instructed and installed this core and my spark arrestor. The core entered the machined groove, which was obviously intended for this core. Without a spark arrestor, I would imagine the core could chatter. But the instructions clearly indicate the correct installation. Screws tightened and off we went. Now it hums nicely, but not insanely loud. Root has done its job. Before installing the kernel, my car sounded like a race car. After installing the kernel, I find it more like a muscular road car, more harmonious. Personally, I think an exhaust system should come with customization options enabled. I am happy with the sound and performance. I hope my neighbors don't mind. I recommend HMF products including this one. This is my first HMF shopping set.