MILWAUKEE (June 27, 2011) The new Screamin' Eagle® Round Sportster® Stage 1 Air Cleaner Kit (P/N 29000009 Gloss Black or 29000019 Chrome; $139.95) from Harley-Davidson® Genuine Motor ...

Allow your Harley-Davidson Milwaukee-Eight engine to breathe with the new Screamin' Eagle High-Flow Air Cleaner.

Here, we’re going to focus on the first part of that equation: a Stage 1 air cleaner (also known as an air intake). A Stage 1 air cleaner typically is best for an otherwise stock Harley with no ...

A high-flow air cleaner will help improve your Harley-Davidson performance while better protecting the engine. Here are five of the best to consider.