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Builders Series Muffler Kits for Mini Moto

Introducing the Builders Series from Yoshimura R&D of America. A line up of muffler kits and components for minibike racers that want to create something special using some of the most iconic Yoshimura mufflers on the small bore scene.

IF YOU CANT FIND WHAT YOU NEED CALL US, 800-634-9166 WE WILL PROBABLY HAVE IT!

In Stock
BUILDER SERIES TRI-OVAL DUAL TIP MUFFLER KIT

BUILDER SERIES TRI-OVAL DUAL TIP MUFFLER KIT

$649.00

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BUILDER SERIES RS-3 CF MINI BIKE MUFFLER KIT

BUILDER SERIES RS-3 CF MINI BIKE MUFFLER KIT

$299.00

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BUILDER SERIES RS-3 MINI BIKE MUFFLER KIT

BUILDER SERIES RS-3 MINI BIKE MUFFLER KIT

$499.00

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BUILDER SERIES RS-2 MINI MUFFLER KIT

BUILDER SERIES RS-2 MINI MUFFLER KIT

$259.00

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BUILDER SERIES TRS MINI MUFFLER KIT

BUILDER SERIES TRS MINI MUFFLER KIT

$189.00

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Builder Series 90 Degree Bends

Builder Series 90 Degree Bends

$25.99

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Builder Series 180 Degree Bends

Builder Series 180 Degree Bends

$27.99

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BUILDER SERIES STRAIGHT TUBE

BUILDER SERIES STRAIGHT TUBE

$13.99

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BUILDER SERIES TAPER ADAPTER

BUILDER SERIES TAPER ADAPTER

$19.99

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BUILDER SERIES MANIFOLDS

BUILDER SERIES MANIFOLDS

$9.95

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BUILDER SERIES FLANGES

BUILDER SERIES FLANGES

$19.95

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Stainless Steel Spring Hook

Stainless Steel Spring Hook

$0.94

In Stock
Exhaust Spring W/Insulator, 1.8'' Length (sold each)

Exhaust Spring W/Insulator, 1.8'' Length (sold each)

$4.47

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Exhaust Spring W/Insulator, 2.3'' Length (sold each)

Exhaust Spring W/Insulator, 2.3'' Length (sold each)

$4.47

In Stock
Exhaust Spring W/Insulator, 3'' Length (sold each)

Exhaust Spring W/Insulator, 3'' Length (sold each)

$4.47

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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.

Information (Enter as Applicable)

Race Information

Rider/Purchaser Information

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.