Introducing the OXA Factory KR1 Silencer—a high-performance, compact muffler engineered for motocross and cross‑country riders. Built from black anodized aluminum with a durable steel end cap, this shorter (36 cm) design maximizes engine response through improved power delivery and authentic 2‑stroke sound. Tailored for Betas, it mounts directly on the original expansion pipe for easy installation.
Meticulously crafted in Spain and tested extensively under bench and real‑world conditions, the KR1 Edition delivers both performance and longevity for riders pushing the limits.
Key Features:
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Shortened "KR1" profile enhances mid‑to‑high RPM power
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Pure, full-bodied 2‑stroke tone riders love
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Rugged anodized aluminum body with steel end cap
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Direct bolt‑on fit to original Beta RR expansion pipe
Compatibility:
Fits Beta RR 250 & RR 300 (2T models, years 2013–2025)
Fits Beta 350 RX 2T 2026+
