It was in 1974 that doma made his first muffler 2 times. The silencer is assembled doma. Each weld is checked and in order to ensure maximum flow of gas. Crowned with 13 titles World Champion brand exhaust motocross doma has equipped the world's best drivers, which has promoted the development of the entire product range. The objective is to promote motor behavior of your bike by making the most exploitable possible.On almost all of the range, products doma improves torque at low and mid-range but the maximum power and torque !! Attention: the package being well packaged and sent casualty insurance, if the package is damaged or the product contains shots (rare, it can happen) made immediately a claim to your post office by presenting the product (it works otherwise, information of the postal service) for us to claim the compensation. Purchase the items without paying for them. I am sending you a corrected bill. 3: you no longer has settle the bill. The item \The seller is \This item can be shipped to the following countries: European Union, Switzerland.