ProFilter 03-04 Kawasaki KLX400R Ready-To-Use Air Filter — a direct-fit replacement designed for riders who want a reliable, out-of-the-box filter for their 2003–2004 KLX400R. This ProFilter unit arrives ready to install so you can get back on the trail quickly.

Built to match the fit and mounting of the factory element, this ready-to-use ProFilter replacement is intended for owners wanting a straightforward swap without modifications. The filter is prepared by the manufacturer for immediate installation and maintenance with standard service procedures; it’s suitable for routine off-road and street use where a proper fit and easy serviceability are priorities. The design focuses on straightforward installation and long-term usability, making it a practical choice for enthusiasts customizing or maintaining their KLX400R.

Features

• Fitment: 2003–2004 Kawasaki KLX400R
• Ready-to-use from the box for quick installation
• Direct-fit replacement for factory airbox, no trimming required
• Durable construction for regular service and cleaning
• Ideal for riders who perform routine maintenance and customization

If you have questions or want help confirming fitment, call us directly — we’re happy to help. We offer installation and customization services at two locations: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) for details or to book service. If you’re thinking about purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov