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Check out Kris Keefer’s test with the FMF 4.1

Kris Keefer of Keefer Inc. Testing, takes the new 2018 Kawasaki 450 and pairs it with the titanium 4.1 system. Read all about the results on his website.

https://www.keeferinctesting.com/offroad-testing/2018/1/14/fmf-factory-41-rct-full-muffler-system-product-review

 

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