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yaniv levy
Reviewed in the United States on March 11, 2025
It doesn't reduce noise.
ron stone
Reviewed in the United States on February 27, 2025
They really work, stopping the excessive DBs
Stephen Cote
Reviewed in the United States on February 10, 2025
He's worked very well and made a nice rumbly sound.
Customer
Reviewed in the United States on August 28, 2024
I bought it to experiment with my 4cyl ZX4RR motorcycle in a AT2 muffler because of how loud it is. It does the job and is easy to wrap with ceramic wool, but I was feeling too much power loss and backpressure. With a tune it’s probably great, but I can’t use it at the moment. I’m sure it’s great for 2cylinders designed to use this kind of baffle but for a 4cylinder that needs a big outlet, the center shaft hole is just too small unless you get the bike tuned properly. I’ve taken this out and in at least 25 times and the threads never stripped so that is a plus. Good product I just can’t use it.
traves
Reviewed in the United States on May 15, 2024
KLR 650 with a D&G pipe. I bought the 45mm. Thing works, like half as loud now. It runs like it's a little backed up though. We'll see how the highway handles @4500 rpm. I put the screws in with thread locker since they seemed a little cheap and easy to fall out. ***Update*** after about 2 weeks now, the little silencer end cap disappeared from the inside. I used locktite on the threads but I guess that still wasn't good enough. Now it's back to almost as loud as it was before.
Marissa
Reviewed in the United States on February 15, 2024
I installed this on a PW50 silencer that someone had gutted. It fit perfectly but I can’t really tell much difference in the sound. Might try to wrap some packing around it as well.
Evo
Reviewed in the United States on October 26, 2024
I bought a KO Exhaust and had no idea how loud and nasty high pitched that exhaust would sound even with the db killer installed that already came with the exhaust. I tried this silencer on top of the db killer amd it worked beautifully. Perfect low pitch sound that you want from an exhaust. So glad I tried it.
Daryl M Cole
Reviewed in the United States on July 11, 2023
So I am gonna give it a 3 star review cause it does actually baffle the sound. It's also very restrictive even on a small engine (gy6 170cc). And I can't say it enough how very cheaply made it is!!
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