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(Click to Pre-Qualify)
Please carefully review the vehicle application below before purchasing.
(Click to Pre-Qualify)
Please carefully review the vehicle application below before purchasing.
- 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®
The K&N 33-2399 Air Filter fits some Fiat Sedici, Infiniti EX35, Infiniti EX37, Infiniti G25, Infiniti G35, Infiniti G37, Infiniti Q40, Infiniti Q60, Infiniti QX50, Nissan 350Z, Nissan 370Z, Nissan Fairlady Z, Nissan Skyline 250GT, Nissan Skyline 350GT, Nissan Skyline 370GT, and Suzuki SX4 models. See vehicle applications link for details.
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.
Product Specifications
| Air Filter Shape | Panel |
| Filter Material | Cotton Gauze |
| Washable | Yes |
| Height | 1 in (25 mm) |
| Outside Length | 7.125 in (181 mm) |
| Outside Width | 6.625 in (168 mm) |
| Package Contents | 1 Air Filter |
| Package Quantity | 1 |
| Warranty | 1,000,000 Miles/10 Year |
| Product Style | Panel Air Filter |
| Weight | 0.9 lb (0.4 kg) |
| Filter Re-Oiling Amount | 0.61 oz (18 ml) |
| Product Box Height | 9.69 in (246 mm) |
| Product Box Length | 7.72 in (196 mm) |
| Product Box Width | 1.75 in (44 mm) |
Available Information
Vehicle Application
- VQ35HR, VQ37VHR Engine
- 2007-2008 Infiniti G35 Sedan
- 2009-2013 Infiniti G37 Sedan
- 2009-2013 Infiniti G37 Coupe
- 2014-2015 Infiniti Q40 Sedan
- 2014-2015 Infiniti Q60 Coupe
- 2007-2008 Nissan 350Z
- 2009-2018 Nissan 370Z
