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Speed Series Products

FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE in California.

All Speed Series systems are exhaust system applications that do not decrease your street bike’s emissions system performance Plus is 49-state street legal, yet still deliver extra power and that special spirit the world has come to expect from the legendary company known as Yoshimura.

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*48 Contiguous States

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Race series product restriction and affirmation

Warning:

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.

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Race Information

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Affirmation

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.