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 to corrosion, heat, and impact damage. Perfect for riders pushing their Rieju MR 250/300 to the limit.
Features
- Part Number: OXA 064080402
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Fitment: Rieju MR 250 / MR 300 (2026+)
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Material: High-grade stamped steel with reinforced welds
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Finish: Polished chrome plating for heat and corrosion resistance
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Pipe Geometry: Tuned cone design for low-to-mid torque and smooth power delivery
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Mounting: Direct bolt-on installation, works with OEM or OXA silencers
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Durability: Heavy-duty wall thickness resists dents and impacts from rocks and logs
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Performance: Improves throttle response and tractability for Hard Enduro terrain
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Maintenance: Chrome finish cleans easily; no ECU or jetting changes required
