K&N High-Flow Air Filter | Porsche 944 S 1986-1988 L4-2.5L | Sold Each
K&N High-Flow Air Filter | Porsche 944 S 1986-1988 L4-2.5L | Sold Each
K&N 33-2640 High-Flow Replacement Air Filter is the drop-in element for the 16-valve 944 S. It fits the original airbox with no modification and replaces the disposable paper filter for good.
Oiled cotton, the original high-flow media. K&N layers oiled cotton gauze between epoxy-coated aluminium mesh, rated to flow up to 50% more air than a paper filter and tested in an ISO 5011 laboratory for filtration efficiency. Supplied pre-oiled; washed and re-oiled with a K&N Recharger kit, with up to 50,000 miles between cleanings under normal driving. Apply oil sparingly at service time.
Key Benefits:
- Designed to flow up to 50% more air than a disposable paper filter
- Layered, oiled cotton gauze media between epoxy-coated aluminium mesh
- ISO 5011 laboratory tested for filtration efficiency
- Washable and reusable — up to 50,000 miles between cleanings
- Drop-in fit to the original airbox, no modification required
- Backed by K&N's 10-Year / Million Mile Limited Warranty
Compatible Vehicles:
- Porsche 944 S L4-2.5L F/I — 1986–1988
Note: K&N lists 33-2640 without a multi-filter annotation — it is supplied as a single filter. This part number is specific to the 944 S; the eight-valve 944 takes a different one. Clean and re-oil with a K&N Recharger kit and apply oil sparingly.
Installation Instructions:
The right filter for the 16-valve car, and the last one it needs.
FlatSixSpirit — Premium Porsche Performance Parts
Free Shipping · 10-Year / Million Mile Limited Warranty · 30-Day Returns