$43.99 USD
MSRP $69.00 36.2% Off
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K&N 33-3040 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.0 out of 5 stars   2 Customer Reviews
  • 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®
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 the majority of vehicles 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.

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Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.92 oz (27 ml)
Height1.188 in (30 mm)
Outside Length8.188 in (208 mm)
Outside Width7.75 in (197 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)
Product StylePanel Air Filter
Weight1 lb (0.4 kg)

K&N 33-3040 Air Filter Product Reviews

Tuesday, October 18, 2016 - Part 33-3040
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.

Daniel Bagwell
Manchester, United Kingdom
Saturday, September 3, 2016 - Part 33-3040
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.

James Griffin
Cirencester, United Kingdom