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Yoshimura R&D

The Leader in Performance Since 1954 — World Championship Exhaust Engineering.

AUTHORITY // YOSHIMURA
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About Yoshimura R&D

Founded in 1954 by Hideo 'Pop' Yoshimura, Yoshimura is a legendary icon in four-stroke motorcycle racing and performance exhaust fabrication. Operating out of Chino, California, and Japan, Yoshimura engineers championship-winning exhaust systems for factory Superbike and AMA Supercross teams.

Founded
1954
Corporate Headquarters
Chino, California, USA & Chigasaki, Japan
Core Product Specialties
RS-12 & AT2 Exhaust SystemsAlpha T Slip-OnsFender Eliminator KitsRace Camshafts & Engine Components
Proprietary Engineering & Standards
Precision-welded 304 stainless steel, carbon fiber, and titanium canister constructions
RS-12 asymmetrical muffler design engineered for maximized resonance volume and mass centralization
Dyno-calibrated stepped headers optimized for peak horsepower and mid-range torque delivery
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All ProductsSlip-On MufflersHeaders, Heat Shields & BafflesFull Exhaust SystemsExhaust Systems & MufflersFenders & PlasticsSpecialty Replacement ComponentsGraphics & StylingLicense Plate Frames

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Need Yoshimura R&D Fitment Advice?

Our California fitment specialists verify motorcycle make, model, and year compatibility for all Yoshimura R&D products against live factory technical specifications.

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