Quiet DOMA ACS for double line YFZ 450 R - YZF 450 engine (2023 - 2025)

Developed on a dynamometer and on the track, these ACS 4 Stroke mufflers for double line LAEGERS (Yamaha) YZF450 Engine (2023-2025) and for original chassis YFZ450R with LAEGERS Engine kit YZF450 (2023-2025) offer improved performance compared to the original ones. With its improved bending and optimized tube diameter, it evacuates gases much more efficiently than the original one. This header is entirely made of high-end stainless steel and can only be installed on the corresponding Doma muffler for your quad.

World-renowned for performance and power, the Doma exhaust range has seduced many quad riders such as Romain Couprie, Matthieu Ternynck, Randy Naveaux, Alexandre Giroud, Jeremie Warnia, Davino Bruneel, Kevin Saar, Marc de Vries

Doma exhausts are manufactured in France, in workshops located in Calais (62100). They are reserved for competition use only and are not approved for road use.

This muffler can only be installed on the Doma header.