K&N parts matching Filtron AP722 air filter

The Filtron AP722 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Filtron air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Andrew , Leicester
Brilliant bit of kit. Put off buying it for ages, wish I’d have bought it sooner. Makes a cracking little whistling sound and the car is a little bit nippier I’m sure.
Daniel Bagwell, Manchester, United Kingdom
I would highly recommend this filter for the Corsa E limited edition. It's giving me better fuel economy, more throttle response and it's a tiny bit nippier than leaving it standard.
James Griffin, Cirencester, United Kingdom
I've had my replacement air filter in my corsa for about three weeks. The car seems more responsive to throttle inputs with improved acceleration, it's not huge but it is noticeable. Fuel economy also seems to have improved by around 5-15 miles per tank full of fuel dependant on driving condirions. All in all, I feel this was a good investment.
33-3040 K&N 33-3040 Replacement Air Filter
List Price: $70.59
Your Price: $44.99