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Your cart is empty. The HMF Quiet Core is an insert made of 201 Stainless Steel and installs on most HMF exhausts in seconds. It's designed for sound sensitive riding areas and decreases the sound level approximately 3-6dB.
Fits the following HMF Exhaust:
Performance Series
Swamp/Titan & Swamp/Titan XL Series
Penland Series (Torque Range Modifier removed)
Signature X Series
PJ
Reviewed in the United States on November 16, 2024
it lowered the sound a decent amount, gave it some back pressure which is good onky downside has a rattle but i didnt put in the spark arrestor so will see if that helps when i put that in.
Tyler Norton
Reviewed in Canada on January 2, 2024
Easy to install and definitely reduced noise
Will Allen
Reviewed in the United States on September 13, 2023
I bought this to replace the factory “quiet core” on my HMF exhaust which broke at the welds. Well a month into using this one, it also broke at the welds. Ended up just getting rid of the HMF and putting on a simple chinese replacement exhaust. Works better and actually helps to reduce noise.
Beezer
Reviewed in Canada on August 9, 2022
Hoped would be quieter
TNC
Reviewed in the United States on July 24, 2021
Fits and the HMF QS and titan XL. Make sure you add the spark arrester screen to take up any slack in the space and make sure it doesn’t rattle around it works great reduces the volume quiets down the exhaust to a nice rumble!
mac
Reviewed in Canada on February 18, 2021
Poor customer service/product
Yellow Jeep
Reviewed in the United States on February 19, 2020
although it did reduce the sound, by design it is not a quiet exhaust. do not think you are going to be silent by adding this to the HMF. with that said, the core did calm down the loud pipe.
Heather
Reviewed in the United States on May 24, 2019
Bought for my husbands yfz450. It was so loud prior to this. Installed easily and quieted the bike down alot!
David McCall
Reviewed in the United States on April 20, 2019
The quiet core was very easy to install and it did make the HMF exhaust quieter. Still louder than stock but much quieter and no loss in performance.
Chris
Reviewed in the United States on January 12, 2018
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.
Travis Richards
Reviewed in Canada on May 24, 2017
Works great. Still sounds good but not as loud.
Brad Mustard
Reviewed in Canada on November 10, 2017
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.
Luis R.
Reviewed in the United States on March 25, 2016
Works well but sits loose insude muffler so you hear a rattle. I had to add some washers so it keeps it from rattling
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