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K&N 21512-1 Universal Air Filter Adapter - 6" Filter Flange to 3.5" Coupler

$25.99

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K&N 21512-1 Universal Air Filter Adapter - 6" Filter Flange to 3.5" Coupler

$25.99

$25.99

The K&N 21512-1 Universal Air Filter Adapter is a precision-engineered component designed to expand your intake configuration possibilities. This adapter allows for the secure mounting of a high-flow air filter with a 6-inch flange onto a 3.5-inch intake tube or coupler, making it an essential piece for custom forced induction setups or cold air intake fabrication where mismatched diameters occur.

  • Adapts a 6-inch flange air filter to a 3.5-inch intake tube
  • Durable construction maintains structural integrity under high engine bay temperatures
  • Ensures a leak-free seal for consistent airflow and accurate sensor readings
  • Manufacturer Part Number: 21512-1
  • Backed by K&N's limited warranty

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