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List Price: $292.71
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K&N Replacement Air Filters for the UMP Off-Road Air Box - Part 55-1000 has a 3 inch outlet and part 55-1001 has a 4 inch outlet. These air filters were designed to achieve high, virtually unrestricted airflow while maintaining filtration levels critical to your engine.

  • Designed to increase horsepower and acceleration
  • Specifically designed for off-road racing applications
  • Washable and reusable air filter
  • Designed for the UMP Air Box
  • One year limited warranty

Available Information

Product Specifications

Air Filter Color:Red
Air Filter Height:12.5 in (318 mm)
Air Filter Inside Diameter:3.75 in (95 mm)
Air Filter Material:Cotton Gauze
Air Filter Shape:Round Straight
Inlet Diameter:4 in (102 mm)
Mounting Hardware Included:Yes
Neck Flange:4 in (102 mm)
Overall Height:12.5 in (318 mm)
Part Number:55-1001
Product Box Height:8.5 in (216 mm)
Product Box Length:14.13 in (359 mm)
Product Box Width:10.38 in (264 mm)
Product Style:Custom Assemblies
Replacement Filter:None
Top Material/Finish:Black Powder Coated
Top Style:Metal
Weight:2.8 lb (1.2 kg)