Order 2 filters since the 2007 2008 350Z has 2 airboxes...you want to upgrade both!

K&N Engineering has designed and manufactured replacement air filters for over 38 years. K&N offers over 2,400 high-flow air filters that fit most modern passenger vehicles. K&N designed a replacement air filter, part 33-2399, that fits the 2007 and 2008 Nissan 350Z with the 3.5L engine, 2007 and 2008 Infiniti G35 models with a 3.5L engine and 2008 Infiniti G37�s with the 3.7L engine.

K&N air filters designed to increase horsepower and acceleration while providing excellent filtration. The 33-2399 air filter is a drop-in replacement air filter which means adding performance is as simple as replacing your disposable air filters with K&N lifetime air filters. Two air filters will be needed since the Nissan 350Z and Infiniti G35 have two separate air boxes that each contain an air filter.

The 33-2399, like all of K&N�s replacement air filters for street vehicles, is covered by our famous K&N Million-Mile Limited Warranty™. Washable and reusable, this filter will be the last air filter your Nissan 350Z, Infiniti G35 or Infiniti G37 will ever need.

This filter also fits the following:

2008 NISSAN 350Z 3.5L V6 F/I - All (2 required)
2008 INFINITI G37 3.7L V6 F/I - All (2 required)
2008 INFINITI G35 3.5L V6 F/I - All (2 required)
2008 INFINITI EX35 3.5L V6 F/I - All (2 required)
2007 NISSAN 350Z 3.5L V6 F/I - All (2 required)
2007 INFINITI G35 3.5L V6 F/I - Sedan (2 required)

There is a different part number for the 2006 and earlier model years of the 350Z and G35.