$44.99 USD
MSRP $61.09 26.4% Off
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K&N SU-8009 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   7 Customer Reviews
  • Designed to provide increased horsepower and torque
  • Pleated media provides a large filtration area offering long service intervals
  • Multiple layers of woven cotton gauze media offers excellent filtration
  • Application specific base seal and sealing bead
  • Made in the USA for over 40 years
  • Washable & reusable, pre-oiled and ready to ride!
  • Million-Mile Limited Warranty
The K&N SU-8009 Air Filter fits some Suzuki Boulevard C50, Suzuki Boulevard C50 BOSS, Suzuki Boulevard C50 Special Edition, Suzuki Boulevard C50T, Suzuki Boulevard M50, Suzuki VL800 Intruder C800, Suzuki VZ800 Intruder M800, and Suzuki VZ800 Marauder models. See vehicle applications link for details.
K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle.

[More Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.29 oz (9 ml)
Height1 in (25 mm)
Outside Length8.25 in (210 mm)
Outside Width8.375 in (213 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height12.88 in (327 mm)
Product Box Length10.44 in (265 mm)
Product Box Width2.94 in (75 mm)
Product StyleUnique Air Filters
Weight0.8 lb (0.4 kg)

K&N SU-8009 Air Filter Product Reviews

Wednesday, April 27, 2016 - Part SU-8009
Have been using K&N filters since the 90s.

Pell Lake, Wisconsin
Monday, December 7, 2015 - Part SU-8009
Thanks for the quick response and mailing of the filter. And of course, it fit perfectly.

Danny Andrews
Orlando, Florida
Wednesday, August 5, 2015 - Part SU-8009
It works great.

Cathy Wheat
Colorado Springs, Colorado
Tuesday, June 24, 2014 - Part SU-8009
I love this filter. Just switching this small filter gave me a huge jump in power and acceleration. It's like getting a new bike. I just wished I switched sooner. I'm going to buy one for my car, SUV and if you made one I'd buy one for my house filter. Haha. Thanks.

Apache Junction, Arizona
Monday, April 7, 2014 - Part SU-8009
Good price, quick service.

Friday, February 21, 2014 - Part SU-8009
Finally a filter for my Suzuki Boulevard C50 Limited. Instructions were spot on, except (as indicated in other reviews) make sure you remove the snorkel from the OEM filter. The instructions don't mention this but you need to in order to complete the seal. Great job KN and thanks for making this one!

Ronald Chapman
Friday, November 8, 2013 - Part SU-8009
Have been waiting for K&N filter for my Suzuki M-50. They finally made one.
It arrived quick, installed & good to go. It was cheaper than 2 other locations on the web. Only thing, the instructions do not say to replace the rubber inlet tube, I think it should and went ahead, removed it from the OEM filter & installed it on the K&N. I have been using K&N for over 15 years, so I know what it is to have one in all my cars in my family whether it is an open air or just a replacement. They do work & better gas mileage over all. Will always recommend K&N filters.

Gerard Barreto
Homestead, Florida