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Replacement Filters > Replacement Air Filter

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33-2311
 
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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]
Available Information
33-2311 Cross Reference
Installation Instruction Sheet
Air Filter Test Data
News Story - Chevy Cobalt Gets Performance Boost and Protection from K&N Products
33-2311 Vehicle Applications


Part 33-2311 Product Specifications
Product Style: Unique Air Filters
Air Filter Shape: Panel
Filter Material: Cotton Gauze
Flanges: None
Height: 0.875 in (22 mm)
Package Contents: 1 Air Filter
Package Quantity: 1
Filter Re-Oiling Amount: 1.04 oz (31 ml)
Outside Length: 9.375 in (238 mm)
Outside Width: 8.375 in (213 mm)
Weight: 0.82 lb (0.37 kg)
Product Box Length: 10.44 in (265 mm)
Product Box Width: 1.75 in (44 mm)
Product Box Height: 11.56 in (294 mm)



Accessories
99-5050.jpg
99-5050 - Filter Care Service Kit - Squeeze

Customer Feedback      Be the first to review part 33-2311

I just picked up the K&N filter for my 09 Cobalt LT. The first drive with it I felt a difference in gas pedal response, wasn't as laggy, and could feel the engine was pushing more air and had a little bit in acceleration. You can also hear more air through the exhaust if you listen when you get on it. I didn't think just a filter would make such an even noticeable difference but I definitely recommend the filters to ANYONE!
Kevin, Michigan
I installed a K&N air filter on my 2004 Cavalier about 6 months ago and went from 27 to 34mpg. I recently installed one on my wife's 2006 Cobalt and it went from 31 to 39mpg. These are highway results and I figured the mileage by dividing miles traveled by gallons of gas used. I traded in the Cavalier for a Dodge Ram quad cab with a 4.7 liter v-8 and as soon as I can afford an intake kit I will post the results here. I have convinced several of my co-workers to try K&N and they are all happy with the results they are getting.
Daniel Back, Snellville, Georgia
Hey all,

I have a 2007 Chevy Cobalt LS and just installed a hi-flow drop in filter in the stock air box and must say I am impressed on how the car runs cooler. I can already see the increase in gas mileage and power. I swear my Cobalt just wants to get up and go and it sounds sweet. You car literally hear more air coming into the air box. My next move is to install a k&n typhoon ram intake kit on it. Keep up the good work k&n.
James, New Mexico

K&N 33-2311 fits the following:
2010 PONTIAC G5 2.2L L4 F/I - All
2010 CHEVROLET COBALT 2.2L L4 F/I - All
2010 CHEVROLET COBALT 2.0L L4 F/I - All
2009 PONTIAC G5 2.2L L4 F/I - All
2009 CHEVROLET COBALT 2.2L L4 F/I - All
2009 CHEVROLET COBALT 2.0L L4 F/I - All
2008 PONTIAC G5 2.4L L4 F/I - All
2008 PONTIAC G5 2.2L L4 F/I - All
2008 CHEVROLET COBALT 2.4L L4 F/I - All
2008 CHEVROLET COBALT 2.2L L4 F/I - All
2008 CHEVROLET COBALT 2.0L L4 F/I - All
2007 PONTIAC G5 2.4L L4 F/I - All
2007 PONTIAC G5 2.2L L4 F/I - All
2007 CHEVROLET COBALT 2.4L L4 F/I - All
2007 CHEVROLET COBALT 2.2L L4 F/I - All
2006 CHEVROLET COBALT 2.4L L4 F/I - All
2006 CHEVROLET COBALT 2.2L L4 F/I - All
2005 CHEVROLET COBALT 2.4L L4 F/I - All
2005 CHEVROLET COBALT 2.2L L4 F/I - All