What are people's feelings about the Yosh slip-on? I saw on rocky mountian atv they wanted $270 and I thought that was a decent price.

 

well mr hp says this about the yoshi pipe:
"The lightweight HMF and Yoshimura make more horsepower than any other slip ons we've dyno tested. The power increase is in the bottom end and mid range. They even come close to making as much power as the Horsepower Research Billet End Cap! 2 year warranty. Must specify spark arrested if desired.

Yoshimura Slip On 320 Stainless Steel, Good Bottom and mid power, Very High Quality 3 days

 

Those of you that have the Yosh pipe what jetting do you run on a stock machine?

 

I went up one size and ran strong that way for 3 years. The pipe is as good today as it was the day I bought it. Top quality for sure but very loud.

 

I JUST ORDERED A Y0SHI AND A K&N BUT WAS UNSURE ABOUT THE JET SIZE. DO I HAVE TO BUY A WHOLE KIT OR CAN I JUST GET ONE BIGGER JET FROM THE BOM DEALER? IF SO WHAT SIZE OF JET IS ONE SIZE BIGGER THEN STOCK?

 

I would just change the jet and be done with it. No need for the expensive jet kit. I think it had a 165 jet originally and I put a 170 or was it 160 originally.......sorry, not too sure, its been a while. Somebody else may be able to help out here.
Be prepared to have trouble with the bowl screws though, you may want to just use a pair of needle-nosed vise grips before you strip the head. Do a search on "bowl screw" or "carb screws" for more info ion the subject.

 

175 at sea level

 

I have an 05 DS with the Yosh pipe and it is awesome I love the sound and the power that I gained. Nothing sounds better than a wide open DS! I put in the 170 jet at 2800ft this was one of the best buys I could get for my ride.

 

Something about those vipers man they seem to have a little extra kick in the a$$. I'm hearin ya on the exhaust note remark. It stirs the adrenalyn.