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Installation was a breeze. Bolted right on in place of the other aftermarket muffler that was on the Raptor 250. Love the exhaust clamp that was included. Sound is more like a performance 4 stroke vs Obnoxious of the other muffler. Performance, awesome midrange hit. Wants to pull the front wheels!
This pipe really woke my yfz 450 up compared to it having a stock pipe on it, very nice for the price.
for a yamaha this slip on is perfect in every way immense power gain and throttle response gain and it overall makes your bike run much better!
i put it on my 2012 yfz450 and i could not be happier i highly recommend for any yamaha riders
If you run your rpm up to the rev limiter the db's may go as high as 100 to 102+db's.