Bikes Wanted

If you own one of the vehicles listed below and can loan it to Yoshimura for fitment and dyno testing, we will gift you free Yoshimura promotional products! Anything from shirts and stickers to an exhaust system for your vehicle.

The duration of loaner will be depend on the project(s), but typically requires 1 week to a few weeks. The bike has to be in Southern California area, so we can arrange pick-up/return of your vehicle.

If your vehicle is listed below, send a request to sales@yoshimura-rd.com or call 1-800-634-9166.

No Bikes Needed at this time

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Race series product restriction and affirmation


The RACE SERIES product you are purchasing removes, renders inoperative, or bypasses required elements of the emission control systems of EPA, certified motorcycles of motorcyle engines and may only be installed on motorcycles that are restricted to closed course competition. Installation of this product on a motorcyle that is ridden on a public street, highway, or public lands violates the tampering and defeat device provisions of the Clean Air Act & 203(a)(3)(A) and/or & 203(a)(3)(B) and may subject you to a civil penalty of up to $37,000.

Information (Enter as Applicable)

Race Information

Rider/Purchaser Information


By clicking below, I affirm:
  1. that i have read the above warning;
  2. that any information I have entered is accurate; and
  3. that any motorcycle on which I install the RACE SERIES product will be restricted to closed course competition and will not be ridden on any public street, highway or public lands.