Hello all,   So i just got a yosh rs3 today and i need some tips on the install....i really dont have the facilities to accomidate the install myself.    So i need to take it somewhere to get it put on.....obviously it's not going to slide right on so if anyone can help me with where to cut the stock and what bend's the new yosh needs it would be very helpful....also do i NEED to rejet with this?  Thank' AND AS ALWAY'S HAVE A GREAT DAY AND RIDE SAFE!!!!!!!

Ooops...The bike is a 04 gs500f....

1  take bike and muffler to muffler shop
2  cut off old muffler
3  clamp new muffler where you want it
4  ask muffler guy to make a transition from stock headpipe to muffy

might want to ask muffy guy to do step 4 before step 2

Rejet?

install pipe....
ride it....
let us know what it does....
surging....not accelerating.....
head pipe turning cherry red at night....

might need a washer or two and at most 1 or 2 sizes up on the main

ride it first

BT

When I put a freeflowing pipe on my bike, from a YZ426, which has a straight through glass pack construction, that's a larger diameter than the pipe going into the muffler, I didn't notice a need to rejet. I think my air filter must have been really clogged though because once I replaced it with a Uni foam filter, it ran really lean and needed a re-jet.

A pipe is really pointless in terms of power unless you combine it with a better filter (Uni or K&N) and re-jet it.

Well all, my bro took my bike to get the pipe put on....30$..Suhweet..not too shabby plus i got the yosh for like 70$ so a pretty sweet deal....i will keep you all posted on how she sounds/runs....pics coming soon

Yup ... clogged filter will choke more than a pipe can open up ...  ...
In any case intake side un corking is 10 times more effective than exhaust ... take off that air box and its like you fell off a cliff.
Cool.
Srinath.

Hes'a some pics of the yosh......sound's wicked...and i did notice alittle better throttle responce!!!

improved throttle response is in your head. If you didn't rejet, there will be no performance improvement, if anything, the pipe will make your bike leaner, and poorer performing. Butt dynos = unreliable. Looks good though.

Probly right....one voice says faster...the other one says im hungry?

Quote from: Topher84 on April 20, 2007, 02:18:27 PM
Probly right....one voice says faster...the other one says im hungry?

I get the hungry one a lot.

So just FYI this sound clip doesn't do it justice....but you can def hear a good diff......

OK...

After owning and removing a V&H full system because it sounded like a dying Harleydavidson.  I thought that any exhaust mods to the GS would be crap....

That sounds SWEET !!! NICE MOD !!!  I want one !!!