Stainless steel tubing, aluminum muffler, stainless steel end cap
Reduces exhaust sounds to almost a whisper
Maintains the power of a true aftermarket exhaust
U.S.F.S.-approved, with a qualified screen-type spark arrestor that is easily removed for closed-course competition
Wednesday, January 20, 2010, 10:11 PM
"Jardine RT99 is a sweet pipe. Just bolted it up to an '08 YFZ450. I have a 660R with a full Yoshimura system and the quality and finish of Jardine is second to none. Took 20 minutes from start to finish including removal of stock exhaust and it fits perfect- very tight tolerances. Would recommend getting a spring tool if you don't have one, that would of saved me about 5 minutes of struggling with good quality needle nose pliers. I personally think the little chamber on the head pipe looks pretty cool also. Sounds really good, has a nice growl to it, I was running the stocker with the pea shooter pulled out and it does not seem much louder than that, but it does have a much better tone to it One of my buddies just installed an HMF sport series on his YFZ 450 and this pipe is considerably quieter. Geat choice if you have to worry about db. output by law. I just didn't want a loud pipe cause I'm getting old I guess. I also installed an ESR intake and will be rejetting from a 168 main 45 pilot to around a 172-175 with 48 pilot and report back soon. For the price and service you can not go wrong, I am the guy who thinks about getting something for months and talks to people and researches and generally just make the wife nuts, you will not find a pipe of this quality anywhere else, the old RT 5 had good gains on a YFZ and I expect when jetted right the RT 99 will too."
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