Rieju

OXA

Oxa Factory Chrome Expansion Chamber — Rieju Mr 250/300 (2026+)

The OXA Factory Chrome Expansion Chamber is a premium front pipe designed for Hard Enduro and extreme off-road riding. Hand-crafted in Europe, it combines precise cone geometry for strong low-end torque with a durable chrome finish for maximum resistance...

OXA

Oxa Factory Hard Enduro Silencer— Rieju Mr 300I 2026+

The OXA Factory Hard Enduro Edition silencer is built for the toughest terrain. Designed for the Rieju MR 300i (2026+), this reinforced silencer delivers controlled power, crisp response, and maximum durability against rocks and race abuse. Ideal for...

OXA

Oxa Factory Silencer Black Edition For Rieju Mr 300 2026

The OXA Factory Black Edition silencer is built specifically for the Rieju MR 300i (2026+). Designed for enduro and hard-enduro conditions, it delivers smooth, tractable power with a durable construction made to handle rocks, heat cycles, and race abuse...

OXA

Oxa Factory Front Pipe – Rieju / Old Gasgas

Get race-ready power with this OXA Factory front pipe for Rieju MR 250 and 300. Built for durability and tuned to improve low-end torque and response in technical terrain. Fitment:  GAS GAS EC 250 - 2017 GAS GAS EC 250 - 2018 GAS GAS EC 250 -...

OXA

Oxa Factory Chromed Front Pipe Ø30 For Rieju Mr 250/300 (2020–2024) & Gasgas Ec 250/300 (2018–2019)

This chromed front pipe boosts torque and durability on Rieju and GasGas 250/300 platforms.  OXA Factory Front Pipe Ø30 – RIEJU MR 250/300 (2020–2024), GASGAS EC 250/300 (2017–2019) OEM Part #: 64080302 / 064080302 Take your...

OXA

Oxa Factory Silencer Hard Enduro Ø30 For Gasgas Ec 18–19 / Rieju Mr 250/300 (20–24)

If you ride extreme terrain and need torque, this Ø30 edition silencer is your edge. With a larger diameter outlet and extra volume, it boosts tractability while reducing heat build-up.• Ø30 design for smoother power delivery•...