K&N Filter Universal Rubber Filter 3in Flange ID 6in Base OD 5.125in Top OD 5in Height - K&N Engineering KNNRU-3570
K&N Filter Universal Rubber Filter 3in Flange ID 6in Base OD 5.125in Top OD 5in Height - K&N Engineering KNNRU-3570
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K&N Filter Universal Rubber Filter 3in Flange ID 6in Base OD 5.125in Top OD 5in Height

$ 68.99
$ 68.99

K&N RU-3570 delivers high-flow filtration for racing vehicles, generators, snowmobiles, tractors, and custom air intakes. Molded rubber flanges stretch up to 1/16 inch for secure clamp-on fit regardless of intake angle or offset. Pre-oiled cotton gauze media traps contaminants while increasing horsepower and acceleration.

Key Features

  • Universal Fitment: Fits wide variety of equipment with 3in centered flange ID, 5.125in base OD, 5in top OD, 6in height for custom applications.
  • Engineered Power: High-flow media improves airflow, horsepower, acceleration, and throttle response.
  • Flanges absorb vibration and stretch 1/16 inch to fit in-between sizes.
  • Clamp directly to 3in intake pipe using pliable rubber flange.
  • Proven leader in washable high-flow air filters for motorsports and street use.
  • Yes, 3in flange ID and stretchable rubber flanges adapt to most 3in pipes and offsets for racing or industrial use.

Fitment

Years Make Model Application
2014-2015 Audi A4 Premium, Premium Plus, Prestige
2014 Audi A5 Cabriolet
2014-2015 Audi A6 Premium, Premium Plus
2008-2009 Dodge Caliber SRT-4
2008-2012 Honda Accord EX, LX, LX-P, LX-S, SE
2008-2015 Scion xB Verify engine and application notes
2009-2013 Toyota Matrix S, XRS

Specifications

Brand K&N Engineering
Manufacturer Part Number RU-3570
Product Type Air Filters - Universal Fit
Fitment Type Vehicle Specific
Condition New

What's Included

One new K&N air filters - universal fit identified by manufacturer part number RU-3570. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.

About K&N Engineering

K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.

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Frequently Asked Questions

How do I confirm K&N RU-3570 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.

Is K&N RU-3570 washable and reusable?
Serviceability depends on the exact media used for this part number. Follow the K&N cleaning and oiling directions for this filter and never apply oil to media specified as dry.

What should be checked after installing K&N RU-3570?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.

Installation Instructions

  • Clamp directly to 3in intake pipe using pliable rubber flange.
  • Compatible with standard clamps. no additional hardware needed.
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