These fit perfectly in my 18 Crf450r stock exhaust.
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I had to snip off the first 2 or 3 ribs before it fit in my turbinecore2.
Works fine though.
Check your exhaust size and go for it.
I use this in our 2 strokes since they have the smaller diameter silencers. I just wish it was a softer rubber compound like the FMF version I use on my 450.
Fits the FMF Shorty silencer on my 01 cr250 just fine. Keeps the moisture and crud out of my exhaust and gives me peace of mind.
Although this plug is hard it still fits in my 525, I have a smaller one for my 125 but they both fit and work perfectly for when washing my bikes and keep the water out of the exhaust
They are to hard so they don't stay in the exhaust
Perfect for Ride Red CRF,s Duel exhaust
As the title says and also if you have a spark arrestor you will need to trim off some in order for it to work but that is easily done with scissors or knife. works as advertised.
Fits a yz250 pro circuit silencer well. I think it would
Fit most 2 stroke mufflers.
Minimum diameter of 14.75 mm / maximum diameter of 37.75 mm.
Minimum diameter of 33 mm / maximum diameter of 61 mm.