KAX Engine & Cabin Air Filter Kit for Subaru — CF12436/CA12295, Activated Charcoal Cabin, Multi-Layer Engine

The KAX CF12436 CA12295 kit is a two-piece replacement set containing an engine air filter and a cabin air filter designed to restore airflow and reduce odors in compatible Subaru models.

Whether you're performing a routine tune-up or preparing your Subaru for seasonal driving, the KAX engine and cabin air filter kit offers a convenient, matched pair that addresses both engine intake performance and in-cabin air quality. Built with multi-layer filtration media and coconut shell-activated charcoal in the cabin element, this kit targets particulates and odor molecules while fitting the specified Subaru model years without modification.

Which Subaru models and years will these filters fit?

These KAX filters are made to fit a range of current Subaru vehicles. Check your owner's manual or part numbers, but the kit is compatible with common model-year ranges used by many owners.

• Outback: 2020–2025
• Crosstrek: 2018–2023
• Ascent: 2019–2025
• Impreza: 2017–2023
• Legacy: 2020–2025

How do these filters improve engine performance and cabin comfort?

The engine filter helps maintain proper airflow to the intake system, protecting internal components from dust and debris. The cabin filter uses activated charcoal to trap particulates and reduce unpleasant smells, delivering cleaner air inside the vehicle.

• Engine element: multi-layer media captures dust and road grime to help maintain fuel efficiency and throttle response
• Cabin element: coconut shell-activated charcoal neutralizes odors while filtering pollen and particulates
• Matched kit: replacing both filters together helps preserve overall vehicle air systems

Is installation difficult and what tools are required?

Installation is straightforward for most DIYers and can typically be completed in about five minutes with minimal tools. The kit is designed as a direct-fit replacement, so no trimming or modifications are necessary.

• Tools: usually a screwdriver or simple trim tool depending on vehicle access
• Time: most installs take roughly 5 minutes per filter
• Fit: direct-fit design matches factory housing and seals for easy swap

When should I replace these filters?

KAX recommends replacing both the engine and cabin filters together on a predictable schedule to maintain performance and fresh cabin air. Routine replacement prevents buildup that can reduce airflow and allows you to change both without missing one.

• Suggested interval: every 12 months or every 12,000 miles
• Signs to replace sooner: reduced HVAC airflow, persistent odors, or heavy dust conditions
• Maintenance tip: keep filters paired to simplify future service and reduce long-term costs

Who is this for: The KAX CF12436 CA12295 kit is intended for Subaru owners seeking a practical, cost-effective replacement set that addresses both engine intake protection and in-cabin air quality. It's a good choice for DIY maintenance-minded drivers, fleet managers who prefer scheduled part swaps, and anyone who wants an easy, direct-fit pair for the model years listed. If you want to maintain engine efficiency and improve the freshness of interior air without complex sourcing or separate orders, this combined kit simplifies upkeep and ensures both systems are attended to at the same time.