Product Detail
Specification:
Drain bolt: available
Oil filter: available
YAMAHA parts code: Q5KSPT957618
MADE IN JAPAN
[Description]
They don't think anyone would complain about the performance of this super high performance engine.
However, recent riders are very discerning! There is something that makes the rider nervous in the very low speed range, if it is said that there are many users of this machine who are particular about driving.
SP Tadao made this tuning parts.
Now, a quiet wind is blowing in the industry.
If you've ever wanted to do something "feel good" about the performance of your new vehicle.
WR250R POWER BOX exhaust pipeIt is also a good match with a certain famous competition silencer.
POWER BOX PIPE 2 has been newly reinforced to prevent breakage even when riding very hard.
Note
Introduction page is here - Webike Buyers Collection
Caution
(Only when installing it on a compatible model)
* *The POWER BOX PIPE with product code WR2-PB-01 was discontinued in July 2015.
Applicable Models
Reviews






Good but …
22 Oct 2022Fits: YAMAHA WR250X,YAMAHA WR250R
Good for touring.
However, the connection part was not compatible with the external exhaust system, Levio Vinci, and the connection part was loose and gabba gabba gabba & hellip; Slit 4 places in the new exhaust pipe and increase the bulk with aluminum tape, make full use of liquid gasket, and fix it with strong stainless steel band. The pipe was fixed with a sturdy stainless steel band.
I guess that's the shame of it!
Quantity:2pc. Purchase Set eyes
25 Sep 2022Fits: YAMAHA WR250X,YAMAHA WR250R
This is my second order.
The Chamber (expansion chamber) part of the first one I had on came off due to vibration.
When I looked at what I received this time, I found that the reinforcing Plate was well addressed.
This is a relief.
Additional notes
This time, I ran for a while with the product out of place, but when I received the product, I was able to compare the ride.
I was still able to firmly feel the thickening of the low-speed Torque.
Mounting on WR 250X
31 Mar 2022Fits: YAMAHA WR250X,YAMAHA WR250R
I installed it with FMF and it seems to have increased low speed!
Both db’s Silencer and I installed OK!
However, since the chamber section has increased, the right foot seems to be a little hotter than the OEM exhaust pipe.
Gold genus sound increases, which may bother some people.
Torque will increase.
23 Feb 2022Fits: YAMAHA WR250X,YAMAHA WR250R
The silencer was a GruidRide Thailand coon, and the intake diaphragm was removed for full power, and the adjustable fuel conditioner was set to +4.
When I changed from the normal exhaust pipe, the torque increased and the sound became a little quieter. However, you may feel some heat in the right leg due to the expansion chamber sticking out.
You can tell when you are riding in it, but if you buy it and put it in right away, you may not notice any changes.
Please be aware that this is the only change you can expect. However, the effect is definitely there, so if you feel that even a slight performance increase is a very large change due to the 250cc engine displacement volume, I think it is a good buy.
At 25,000 yen, it's not that expensive, so if you want to make your vehicle as fast as possible, I think it's the right choice.
External exhaust systems are usually too large and lose torque in the low to mid RPM range, but this product increases torque in the low to mid RPM range without losing power in the high RPM range.
If you want more power but less noise, this is a recommendation because it is quieter than the normal exhaust pipe.
This is not my story, but I have heard that exhaust leaks may occur depending on the silencer you use, so you may want to check this out carefully.
It's good
24 Apr 2023Japanese Webike user
Fits: YAMAHA WR250X,YAMAHA WR250R
Has the low-speed Torque increased?
View detailMaybe it's the Brushbo effect.
Exhaust chamber is close to radiator hose and I am not sure if the heat damage is Large enough to be sturdy.
Good appearance