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K&N BM-1204 5.0 out of 5 stars 4 Customer Reviews
Replacement Filters > Replacement Air Filter

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BM-1204
 
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K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty™ and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED. [More Information on Replacement Air Filters]
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®
Available Information
BM-1204 Cross Reference
Installation Instruction Sheet
BM-1204 Vehicle Applications


Part BM-1204 Product Specifications
Product Style: Panel Air Filter
Height: 1.25 in (32 mm)
Outside Length: 5.875 in (149 mm)
Outside Width: 3.5 in (89 mm)
Air Filter Shape: Panel
Filter Material: Cotton Gauze
Package Contents: 1 Air Filter, 1 K&N 1oz Sealing Grease
Package Quantity: 1
Filter Re-Oiling Amount: 0.32 oz (9 ml)
Weight: 1.6 lb (0.7 kg)
Product Box Length: 4.63 in (117 mm)
Product Box Width: 4.63 in (117 mm)
Product Box Height: 7.25 in (184 mm)



Product Reviews    See all reviews!  Review part BM-1204

 I have used K&N filters on my bikes for the last 20 years. I've considered the filters the best protection for the engines. The best available on the market. As an added benefit when used with an after market exhaust system an increase in proformance and fuel mileage is realized. Installation is a snap and cleaning and re-oiling couldn't be easyer. As I have been turning wrenches for over 40 years and do my own maint. this is the only filter I will run in my bike and 4 wheel vehicles.
Rick Holbert, Baton Rouge, Louisianna
 Have used K&N filters for years. Same quality materials in the bike filters as automobile filters. As I ride at altitude in the mountains and harsh environments, I have confidence that not only will my engine be performing at maximum I will also be protecting my engine for a long life. I get better mileage too.
Drew Friedrichs, Wyoming
 I now have K&N filters on all of my vehicles. What more can I say.
Jim Romo, California