RESEARCH&DEVELOPMENT OF AMERICA, INC.www.yoshimura-rd.com5420 DANIELS STREET STE A, CHINO CA., 91710 · (800) 634-9166 · (909) 628-4722 · FAX (909) 591-2198NOTE: IN THE STATE OF CALIFORNIA, IT IS ILLEGAL TO MODIFY THE EMISSION CONTROL SYSTEM, WHICH INCLUDES THE CARBURETORS OF ANY VEHICLE.You must know how to remove and replace your stock exhaust in order to install this productotherwise have it installed by a professional mechanic. Keep all stock parts from your existingsystem as some components may be necessary to install your new Yoshimura exhaust dependingon the application. Read through all instructions before beginning installation. Exhaust system canbe extremely hot. Let motorcycle cool down before beginning installation. Always wear hand andeye protection and take precautionary measures to avoid injury.225851S721 (Ti/Ti)Honda CRF450R/RXQualified Manufacturer Declared “Replacement Part ”2021 ~ 2023Signature Series systems are:• CARB/EPA tail-pipe emissions compliant.• Marked with appropriate EPA noise labels.• Independent laboratory tested for EPA newvehicle noise compliance.RS -12 Titanium Full-System