Arlen Ness Naked Stage 1 Big Sucker Air Cleaner For Harley Street 2015-2018
  • Arlen Ness Naked Stage 1 Big Sucker Air Cleaner For Harley Street 2015-2018

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Video Reviews (2)

Arlen Ness Naked Stage 1 Big Sucker Air Cleaner For Harley Street 2015-2018 Videos

This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

Arlen Ness Naked Stage 1 Big Sucker Air Filter For Harley Street

Arlen Ness, the "King of Choppers", knows a thing or two about performance. The Big Sucker is the best-selling and most powerful air cleaner kit on the market - period. Simply, the Big Sucker is designed to give your engine maximum airflow for maximum performance. Testing shows that by simply installing a Big Sucker kit, horsepower gains of up to 21% are attainable.

The air filter elements are made one at a time using the finest materials available. The red hue filters are all pre-oiled, and feature four layers of surgical-grade cotton to promote airflow and filter air effectively. The filters are hand-poured one at a time in a urethane body, unlike many other filters that are spun, which can leave a residue on the filtration media. The Big Sucker air filter kit features a one-piece aluminum backing plate and eliminates the need for banjo fittings, hoses and a filter. The breather exits at the mouth of the throttle body, creating a virtually closed-loop system.


  • Accepts stock air cleaner cover
  • Backing plate available in a variety of finishes
  • Made in the USA

Note: Kit uses your OEM cover and does not include one. Image is for reference only - actual product may vary.

4.7 / 5
Bang For The Buck
5 / 5
This Product Fits:
Harley Davidson
Street 500 XG500 2015, 2016, 2017, 2018
Street 750 XG750 2015, 2016, 2017, 2018
Product Style RevZilla Item # Manufacturer Product # Availability
Synthetic Stainless Jacketed Air Filter / Black Backing Plate 1090495 50-319 In Stock: Ships within 24 hours
Synthetic Stainless Jacketed Air Filter / Chrome Backing Plate 1090450 18-319 In Stock: Ships within 24 hours


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3.0 / 5.0
1 Review
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Jury is still out...
So far, three installation issues. I haven't run it yet beyond a test start to see how it performs.
1) The video says you can put the stock cover back on it. Install instructions say no. After installing it, I agree with the install instructions.
2) back plate doesn't correctly fit the install holes on the engine. I had to flex the plate a bit to get both lower holes to fit and the bolts to attach.
3) At least one of the screw holes in the filter doesn't match the backplate. The deviation is in the wrong direction for the previous flexing to be the issue. I think the left hole was drilled 1/4" to close to center.
July 8, 2016
2015 Harley Davidson Street 750 XG750
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Once you've installed this air cleaner, do you need to retune the engine or are you ready to roll?
A C on May 12, 2016