06 YZF 450 Exhaust DOES fit an 07 WR450!
Posted January 15, 2007 - 04:14 PM
The noise difference was quite substantial in the shed, so i hope it is quieter outside.
Posted January 15, 2007 - 05:19 PM
Posted January 15, 2007 - 11:16 PM
Posted January 20, 2007 - 03:03 PM
I found that with the stock pipe that the power was more like a light switch off the bottom, but the YZ pipe definatly smoothed it out.
One thing i know is that you really can't just snap the throttle on, you have to roll it to stop the front end heading skywards.
The YZ is definatly louder than stock, but the gains are worth it.
It really put more power down low and into the mid range. The top i beleived sacrifices a little bit, but to be perfectly honest i am not a good enough racer to be able to use the top end in any place besides a fire trail.
Posted January 22, 2007 - 11:10 PM
It is too loud.
Have to go for a Q4 i guess.
Posted January 23, 2007 - 08:12 AM
Try the GYTR silencer with the spark arrestor removed. I've got one on my
WR450 '07 and it halls as and sounds really cool.
Posted September 23, 2008 - 08:36 AM
change the stock WR 450 07 header for an stock YZF 06 header (the one which its like a "FMF megabomb".
did someone do it successfully?