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How to Boost Performance on the Nissan 350Z and Nissan 370Z with K&N Air Filters

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K&N Replacement Panel Air Filter

K&N 33-2399 Replacement Air Filter for the 2007-2009 Nissan 350Z and 2009-2017 Nissan 370Z.

The Nissan VQ Series V6 first debuted in 1994, and it was immediately praised for its high rpm power, and incredibly smooth operation. Several generations later, the Nissan VQ35HR debuted in the 2007 Nissan 350Z, and featured many high tech advancements. For example, a new Continuously Variable Valve Timing Control (CVTC) system provided better low-and-high rpm performance, and a special ladder frame was cast into the bottom of the engine block to reduce vibrations and friction as the motor spins toward the 7,500 rpm redline. The 2009-2017 Nissan 370Z received an even larger variant called the Nissan VQ37HR, which was more technically advanced and considerably more powerful. But no matter which you drive, a K&N 33-2399 Replacement Air Filter can help your Nissan VQ V6 to respond with more power, faster.

K&N Replacement Panel Air Filter installed in a Nissan VQ

K&N 33-2399 Replacement Air Filters installed in the Infiniti version of the Nissan VQ.

The key to the performance of the Nissan 350Z/Nissan 370Z is fuel and airflow management. Using a series of sophisticated electronic controls, the Nissan VQ can instantly adjust its behavior to achieve better fuel economy at low rpm's, or better performance at higher rpm's. Maintaining airflow is critical to the performance, which is why both Z cars employ dual air boxes to maximize airflow to the engine. These air boxes are fitted with paper air filters that are intended to stop dirt from ever reaching the combustion chamber. However, that thick paper actually reduces the amount and velocity of air entering the system. Plus, all of that dirt collects on the surface of the filter, and will eventually restrict airflow even further.

To eliminate all of these problems, the K&N 33-2399 replacement air filter uses a number of design innovations. First of all, the filter media is made from a free-flowing cotton gauze material that is treated with a special blend of oil. That red oil makes the cotton fibers extremely sticky, which causes them to attract and trap dirt as air flows through the filter. This is called 'depth loading', because the dirt is stored inside of the filter, rather than on the surface. By removing those obstructions on the surface, a K&N replacement air filter is able to increase airflow to the engine by as much as 50%, and that dirt will stay trapped inside the sticky cotton fibers for up to 50,000 miles (depending on road conditions). Once your filters need to be serviced, all you have to do is remove them from the air boxes, and clean them with the K&N air filter cleaning kit.

Thanks to the additional air volume, your Nissan VQ V6 is able to make more horsepower and torque at lower RPMs, which will significantly improve throttle response. The K&N 33-2399 Replacement Air Filter will also save you money, because you'll no longer have to buy those expensive OEM Nissan replacement air filters. In addition, all K&N filters are backed by the K&N 10-Year/Million Mile Limited Warranty, so the long term performance is literally guaranteed. To find a K&N dealer near you, use the K&N dealer locator tool.

Features & Benefits of the K&N 33-2399 Replacement Air Filter

  • Designed to fit the 2007-2009 Nissan 350Z and 2009-2017 Nissan 370Z
  • Designed to increase horsepower
  • Designed to increase torque
  • Increases engine airflow by up to 50%
  • Allows the Nissan VQ to make more power at lower RPMs
  • Sharpens throttle response
  • Provides unrestricted airflow and superior filtration
  • Does not affect ECU programming
  • Will not void factory warranty
  • Road Legal in All 50-States
  • Provides unrestricted airflow and superior filtration
  • Reusable K&N air filter can go up to 50,000 miles before cleaning is required (depending on road conditions)
  • Direct replacement for an OEM Nissan VQ air filter
  • Backed by the K&N 10-Year/Million Mile Limited Warranty

K&N Applications for 33-2399 Replacement Air Filter

2017 Nissan 370Z 3.7L V6 (2 Required)
2016 Nissan 370Z 3.7L V6 (2 Required)
2015 Nissan 370Z 3.7L V6 (2 Required)
2014 Nissan 370Z 3.7L V6 (2 Required)
2013 Nissan 370Z 3.7L V6 (2 Required)
2012 Nissan 370Z 3.7L V6 (2 Required)
2011 Nissan 370Z 3.7L V6 (2 Required)
2010 Nissan 370Z 3.7L V6 (2 Required)
2009 Nissan 370Z 3.7L V6 (2 Required)
2009 Nissan 350Z 3.5L V6 (2 Required)
2008 Nissan 350Z 3.5L V6 (2 Required)
2007 Nissan 350Z 3.5L V6 (2 Required)

You can view all the K&N performance products for any vehicle by using the Search by Vehicle tool and you can find a local K&N retailer by plugging your location into the K&N Dealer Search as well.


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K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 50 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. For more information, visit knfilters.com.