View Full Version : Pro Circuit
crazyxr250rider
6th January 2009, 05:13
Does any on know if R304's are still avaliable for my KX?
Ive got a works expansion chamber that was already on the bike.
Any one on here that can get me an ultra cheap one....
cs363
6th January 2009, 06:14
They are still available, but not stocked in NZ now because of the noise issues (R304's are 102db). You can still get one if you order it in specially, so not much chance of a cheapy unless you can find a used one or a dealer who wants out of one they have in stock.
crazyxr250rider
6th January 2009, 07:21
So how much am I looking at????:doh:
What about the 304 factory sound?
Is there any difference in power between them,or is it just Db???And or price???
B0000M
6th January 2009, 08:48
why doy specificly want that muffler? why not get something quieter?
might help stop riding areas being closed
cs363
6th January 2009, 09:28
So how much am I looking at????:doh:
What about the 304 factory sound?
Is there any difference in power between them,or is it just Db???And or price???
Price is the same ($299 most places) and there is a slight difference in power in that shorty silencers make better low to mid power and the longer ones are better mid to upper as a rule. Apart from the noise most people probably wouldn't notice the difference.
crazyxr250rider
6th January 2009, 10:12
Heard they give it a bit more punch off the bottom,looks nice and sounds nice too.
crazyxr250rider
6th January 2009, 10:19
why doy specificly want that muffler? why not get something quieter?
might help stop riding areas being closedIm just guna go with whats avaliable, a 304 factory sounds gotta be better than a shortened standard muffler...:mellow:
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