HMF 6946006 Quiet Core for Exhaust

I purchased a performance kit. Includes HMF exhaust, K&M filter and a HMF fuel optimizer. My new HMF exhaust for my 4 wheeler was just to loud so i ordered this. As per instructions I removed end cap and installed this core and my spark arrestor. The core fit into a machined groove that was obviously there for this core. Without the spark arrestor i could imagine the core might rattle. But instructions clearly indicated the proper installation. Tightened bolts and off I went. Now it has a nice rumble but is not crazy loud. Core did its job. Before the core install my machine sounded like a race machine. After core install i think it sounds more like a muscle street machine, more in tune. Personnally i think the exhaust system should come with tuning options included. I'm happy with the sound and performance. Hope my neighbors don't mind. I recommend HMF products including this one. This is my first HMF set of purchases.

So far so good. Easy install and actually significantly reducing the volume of this pipe. I live in the country and appreciate the reduced sound, so to my distant neighbours lol. Before you could here the pipe for miles, big difference.

Works great. Still sounds good but not as loud.

It worked pretty good but I had to cut a little leather gasket so it wouldn't rattle but it's definitely quieter

Poor customer service/product