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Your cart is empty.Muffler is made of 304 Stainless steel USA made. It is made of Thick SS Heavy duty Stainless steel 1/16 wall, it won't break! has a Spark arrestor inside, You can use this muffler on any 1" female thread. common pipe thread or what they call black pipe thread. Universal uses, especially on minibikes and go karts! Muffler supports engines between 9-22HP, Example of compatible engines: GX240, GX270, GX390. Predator 301, 420, 459, 670 (For the 670 you need to order two!) NOTE: Please understand that the 1" thread does not represent actual thread size, threads are measured as TPI number of threads per inch, also understand that it will not eliminate the noise level completely but it will help.
brad welsch
Reviewed in the United States on March 6, 2025
Held up great on my 35h.p 440cc duramax motor. Gave me enough back pressure to qualify 4th of 52 mini bikes at flat our Friday in Milwaukee.
Gentry B.
Reviewed in the United States on February 8, 2025
Gosh you don’t hear that too often any more. This muffler was built well and sounds good. Just like you would expect from something made right here in America! I put it on a mud motor, and since there run on the water it had to be stainless steel and reliable. You can barely see it coming off the back of the motor in that pic but it looks real good too!
Sam
Reviewed in the United States on April 21, 2025
Good quality and does not seem to rust
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