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K&N Universal Adapter 6 Inch Filter 3.5in Coupler - 21512-1 by K&N Engineering - front view
K&N Universal Adapter 6 Inch Filter 3.5in Coupler - 21512-1 by K&N Engineering - angle view
K&N Universal Adapter 6 Inch Filter 3.5in Coupler - 21512-1 by K&N Engineering - detail view
K&N Universal Adapter 6 Inch Filter 3.5in Coupler - 21512-1 by K&N Engineering - installed view
K&N Universal Adapter 6 Inch Filter 3.5in Coupler - 21512-1 by K&N Engineering - close-up
K&N Universal Adapter 6 Inch Filter 3.5in Coupler - 21512-1 by K&N Engineering - alternate view
K&N Universal Adapter 6 Inch Filter 3.5in Coupler - 21512-1 by K&N Engineering - side view
K&N Universal Adapter 6 Inch Filter 3.5in Coupler - 21512-1 by K&N Engineering - rear view

K&N Engineering Part # KNN21512-1

1 review

K&N Universal Adapter 6 Inch Filter 3.5in Coupler - 21512-1

$25.99 USD

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Ships from Buffalo, NYOur U.S. warehouse
Trusted since 2005Enthusiasts behind the counter
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K&N adapters allow for even more air filter applications

  • Manufactured using high quality materials
  • Engineered for performance
  • Allow for more filter applications
  • Backed by K&N warranty

  • Spacer Type: 4-Barrel Open
  • Coupler Color/Finish: Black
  • Material Used: Glass Fiber reinforced Nylon
  • Finish: Natural
  • Weight: 0.5 lb (0.2 kg)
  • Warranty: 1 Year Limited
  • Thickness: 2.219 in (56 mm)

Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.

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  • Luke H.Verified buyer

    Works

    Works as required.

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Free U.S. standard shipping on qualifying orders $199+

Ships from our Buffalo, NY warehouse

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