This silencer can only be installed on the Doma manifold.

Developed on a dyno and on the racetrack, this 4-stroke silencer for YAMAHA WRF 400 (98-00) Aluminiumoffering improved performance over the original, this silencer is designed to excel in competition, meeting the most demanding rider expectations.

The Doma range of exhausts is world-renowned for its performance in terms of efficiency and power, having won over a large number of renowned French and international motorcycle racers, such as Adrien Van Beveren, Maxime Renaux, Milko Potisek, Arnaud Demeester, Jorge Prado Garcia, Conrad Mewse, Josiah Natze, Tom Pagès, as well as quad riders such as Romain Couprie, Matthieu Ternynck, Randy Naveaux, Alexandre Giroud, Jeremie Warnia, Davino Bruneel, Kevin Saar, and Marc de Vries, not to mention SSV enthusiasts.

Doma exhausts are made in France, in our workshops in Calais (62100). They are exclusively intended for use in competition and are not approved for road use.