Will a 07 WR450 Exhaust fit a YZ426F 02

NO

But is it completley uncompaniable or can i sqeez it in with small modifications?

Different motor

Different frame

Different subframe

 

I don't know how far off it is.

Are you looking for a yz426 exhaust?

I have an alternative already if this one doesent fit one bit.

So i bought the exhaust and it fits perfectly. No modifications, no remaking. Just switched the grephite gaskets from the old one to the new and everything fitted perfectly. The sound is completley different. But now I have the feeling that the bike has less power but im not sure. Maybe I think this becouse its less noisy. Is it posible to realy lose power from somethnig with the new exhaust?

So i bought the exhaust and it fits perfectly. No modifications, no remaking. Just switched the grephite gaskets from the old one to the new and everything fitted perfectly. The sound is completley different. But now I have the feeling that the bike has less power but im not sure. Maybe I think this becouse its less noisy. Is it posible to realy lose power from somethnig with the new exhaust?

 

Really?

So it's just a muffler, not the full exhaust then.

I was unable to find a 426 header that fit from another year

Would the yz426 be too big for second bike? I have a ttr230 right now and it's just not close to enough power.

Would the yz426 be too big for second bike? I have a ttr230 right now and it's just not close to enough power.

 

Please don't piggyback on someone elses post

 

This question should be posted in the 'what bike?' forum

yes. withouth the header. i left the original one. i changed it becouse the old owner has fliped the bike and it was all bent up and noisy. it was just a hollow aluminium pipe. i think it was not the original one. now the new one is perfect. it has a very melow sound and got rid of the bangy metal sound. got rid of the hissing from missing hex screws. but im still not sure if it has lost some power. maybe i just cant get used to it.

now im sure for the power loss becouse today i went for a ride and before i could pop a wheelie in 4th no problem and now it struggles.

Edited by the_trademark

If the pipe is stock it will reduce power. 

You can add a 'gytr' tip to the pipe that will remove the 'pea shooter' plug in the end.

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