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Dirt Bike Air Filters - Unifilter ProComp2
ProComp2 Dual-Stage Air Filters
Pro-level protection for serious enduro riders and weekend warriors alike

When the dust is thick and the trail is long, your engine needs more than a standard filter. Unifilter’s ProComp2 range is a true two-stage air filter built to keep fine dirt out of your engine in the harshest, dustiest conditions, without choking airflow.
The corrugated outer layer gives you 100% more surface area than a standard filter, so it traps more dirt and keeps breathing for longer. Behind it, a separate inner layer acts as a safety stage, catching anything that makes it through.
Unlike most dual-stage filters, the ProComp2’s layers aren’t bonded together. That means nothing restricts airflow between the stages, and you can pull the layers apart for a faster, more thorough clean.
Why riders choose ProComp2
- Two-stage filtration for maximum protection in extreme dust
- Corrugated outer layer with double the surface area of a standard filter
- Separate, non-bonded layers for better airflow and easier cleaning
- Improved airflow for crisper throttle response and more power
- Designed and made in Australia for Australian conditions
Independently tested airflow
In June 2023, Warspeed Industries independently tested seven air filters for the 2023 KTM 450SX on a SuperFlow SF-400 flow bench at 28 inches of water. The ProComp2 (AU1455ST) flowed 221.92 CFM, more than every competitor filter tested, including the KTM/Twin Air OEM filter, Twin Air Beach Race, Dirtlab, Motorex and Funnelweb.
The only filter that flowed more was our own single-stage [O2Rush]. That means you get dual-stage dust protection with no airflow penalty compared with the other brands tested.
Test conducted 20 June 2023 at 16°C ambient temperature. Chart axis starts at 215 CFM to show differences clearly.
Please note: ProComp2 filters are supplied dry and must be oiled before use. For best results, use Unifilter Filter Fix air filter oil.