a french exhaust : DEVIL 6 days

Bonjour
I presente you a french exhaust : DEVIL 6 days (in french in the text)
https://2img.net/r/ihimizer/i/img0195z.jpg/
Compare to yamaha exaust
https://2img.net/r/ihimizer/i/img0198mj.jpg/
In WRX :
https://2img.net/r/ihimizer/i/capturevlc2011021513h32.jpg/
In advertising :
https://2img.net/r/ihimizer/i/1879z.jpg/

+ :
Sound
acélération
weight
increase engine speed : like 125 2 stroke :-)
-:
torque


Like FMF or HMF etc...

Well, I found UK supplier: http://www.vyxxn.co.uk/devil-exhaust-yamaha.htm
There doesn't appear to be a WR 'off the shelf' pipe available, but maybe they can build a 'special'??? I noticed a WR250F system at around £440.

http://japan.webike.net/products/3232920.html

http://www.devil-exhaust.com/YAMAHA~250%20WR%20R/X~2008.enduro.exhaust

https://www.youtube.com/watch?v=DJF28zaaawE

I found on Youtube !
In true sound is softer, but still ...

Hi,
I looked at a lot of them.
They all look pretty good and have varying degrees of coverage.
I was somewhat overwhelmed wanting to get the best value and protection.

Then I remembered that I had a Riccochet on my KLX when I unitentionally stunted on a forest service road at alittle over 45 mph.
My personal armor was shredded by the granite mini boulders, the right peg and perch were bent beyond recognition and other twisted parts.
But the skid plate did it's job with no damage to the engine or waterpump housing or hose.
I bought another one for my WR.
My thoughts.