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Replacement Filters > Replacement Air Filter

 List Price: $96.88
Your Price: $65.99

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K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty™ and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.

[More Information on Replacement Air Filters]
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®

Product Specifications 
Air Filter Shape:Panel
Filter Material:Cotton Gauze
Filter Re-Oiling Amount:1.85 oz (55 ml)
Height:1.063 in (27 mm)
Inner Wire:No
Outside Length:12.125 in (308 mm)
Outside Width:9 in (229 mm)
Package Contents:1 Air Filter
Package Quantity:1
Part Number:33-2097
Product Box Height:15.06 in (383 mm)
Product Box Length:11.06 in (281 mm)
Product Box Width:2.34 in (60 mm)
Product Style:Panel Air Filter
Top Style:Open
Weight:1.5 lb (0.7 kg)

Customer Feedback      Be the first to review part 33-2097

I put the 57i kit onto my Vauxhall Corsa 1.8 SRI 2004. It sounds great.
Scott Carter, Devon, England/United Kingdom
Hi K&N Europe,

I bought a K&N 57i kit for my Vauxhall (Opel) Astra 1800 SXi. I took it for a drive being a bit skeptical - the induction noise sounded great and the throttle response was a lot crisper, that apart acceleration was improved too. I've since added a free flow sports exhaust and had the engine 'chipped' the K&N filter greatly compliments the entire setup and I can say with great satisfaction that it sounds brilliant, has increased my fuel economy on the motorway and in town and I now leave the 2 litre Astra sucking my dust!

Many thanks,
N. Bradshaw, Staffordshire, UK