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Enhance your vehicle's performance with the K&N Engineering KN-2399 high-flow air filter, designed specifically for Nissan 350Z, 370Z, G35, and G37 models from 2007 to 2009. This washable, reusable filter features a state-of-the-art layered, oiled cotton media that improves airflow while effectively capturing contaminants, ensuring your engine receives clean air for optimal combustion. The advanced design not only boosts horsepower but also enhances throttle response and acceleration, delivering a noticeable difference in performance. Built to last the lifespan of your vehicle, the KN-2399 filter is engineered for durability and easy installation as a direct replacement within your factory air box. Backed by K&N*s 10-Year/Million Mile Limited Warranty, it offers a cost-effective, eco-friendly alternative to disposable filters and maintains peak engine efficiency over time. Regular cleaning and re-oiling keep this filter performing at its best, making it an excellent upgrade for any enthusiast looking to maximize their vehicle*s power and protection. Whether you're upgrading for daily driving or performance tuning, the K&N High-Flow Air Filter ensures superior airflow and engine protection with minimal maintenance. Trust the brand known for quality and innovation to help your vehicle perform at its highest potential.
Features:
Fitment:
2007 Infiniti G35 Base
2007 Infiniti G35 Journey
2007 Infiniti G35 Sport
2007 Infiniti G35 X
2007 Nissan 350Z Base
2007 Nissan 350Z Enthusiast
2007 Nissan 350Z Grand Touring
2007 Nissan 350Z Nismo
2007 Nissan 350Z Touring
2008 Infiniti EX35 Base
2008 Infiniti EX35 Journey
2008 Infiniti G35 Base
2008 Infiniti G35 Journey
2008 Infiniti G35 Sport
2008 Infiniti G35 X
2008 Infiniti G37 Base
2008 Infiniti G37 Journey
2008 Infiniti G37 Sport
2008 Nissan 350Z Base
2008 Nissan 350Z Enthusiast
2008 Nissan 350Z Grand Touring
2008 Nissan 350Z Nismo
2008 Nissan 350Z Touring
2009 Infiniti EX35 Base
2009 Infiniti EX35 Journey
2009 Infiniti G37 Base
2009 Infiniti G37 Journey
2009 Infiniti G37 Sport
2009 Infiniti G37 X
2009 Nissan 350Z Enthusiast
2009 Nissan 350Z Grand Touring
2009 Nissan 350Z Touring
2009 Nissan 370Z Base
2009 Nissan 370Z Nismo
2009 Nissan 370Z Touring
2010 Infiniti EX35 Base
2010 Infiniti EX35 Journey
2010 Infiniti G37 Base
2010 Infiniti G37 Journey
2010 Infiniti G37 Sport
2010 Infiniti G37 X
2010 Nissan 370Z 40th Anniversary Edition
2010 Nissan 370Z Base
2010 Nissan 370Z Nismo
2010 Nissan 370Z Touring
2011 Infiniti EX35 Base
2011 Infiniti EX35 Journey
2011 Infiniti G25 Base
2011 Infiniti G25 Journey
2011 Infiniti G25 X
2011 Infiniti G37 Base
2011 Infiniti G37 IPL
2011 Infiniti G37 Journey
2011 Infiniti G37 Sport
2011 Infiniti G37 X
2011 Nissan 370Z Base
2011 Nissan 370Z Nismo
2011 Nissan 370Z Touring
2012 Infiniti EX35 Base
2012 Infiniti EX35 Journey
2012 Infiniti G25 Base
2012 Infiniti G25 Journey
2012 Infiniti G25 X
2012 Infiniti G37 Base
2012 Infiniti G37 IPL
2012 Infiniti G37 Journey
2012 Infiniti G37 Sport
2012 Infiniti G37 X
2012 Nissan 370Z Base
2012 Nissan 370Z Nismo
2012 Nissan 370Z Touring
2013 Infiniti EX37 Base
2013 Infiniti EX37 Journey
2013 Infiniti G37 Base
2013 Infiniti G37 IPL
2013 Infiniti G37 Journey
2013 Infiniti G37 Sport
2013 Infiniti G37 X
2013 Nissan 370Z Base
2013 Nissan 370Z Nismo
2013 Nissan 370Z Touring
2014 Infiniti Q50 Base
2014 Infiniti Q50 Premium
2014 Infiniti Q50 Sport
2014 Infiniti Q60 Base
2014 Infiniti Q60 IPL
2014 Infiniti Q60 Journey
2014 Infiniti Q60 S
2014 Infiniti QX50 Base
2014 Infiniti QX50 Journey
2014 Nissan 370Z Base
2014 Nissan 370Z Nismo
2014 Nissan 370Z Touring
2015 Infiniti Q40 Base
2015 Infiniti Q60 Base
2015 Infiniti Q60 IPL
2015 Infiniti Q60 Journey
2015 Infiniti Q60 S
2015 Infiniti Q60 S Limited
2015 Infiniti QX50 Base
2015 Infiniti QX50 Journey
2015 Nissan 370Z Base
2015 Nissan 370Z Nismo
2015 Nissan 370Z Nismo Tech
2015 Nissan 370Z Sport
2015 Nissan 370Z Sport Tech
2015 Nissan 370Z Touring
2015 Nissan 370Z Touring Sport
2016 Infiniti QX50 Base
2016 Nissan 370Z Base
2016 Nissan 370Z Nismo
2016 Nissan 370Z Nismo Tech
2016 Nissan 370Z Sport
2016 Nissan 370Z Sport Tech
2016 Nissan 370Z Touring
2016 Nissan 370Z Touring Sport
2017 Infiniti QX50 Base
2017 Nissan 370Z Base
2017 Nissan 370Z Nismo
2017 Nissan 370Z Nismo Tech
2017 Nissan 370Z Sport
2017 Nissan 370Z Sport Tech
2017 Nissan 370Z Touring
2017 Nissan 370Z Touring Sport
2018 Nissan 370Z Base
2018 Nissan 370Z Heritage Edition
2018 Nissan 370Z Nismo Tech
2018 Nissan 370Z Sport
2018 Nissan 370Z Sport Tech
2018 Nissan 370Z Touring
2018 Nissan 370Z Touring Sport
2019 Nissan 370Z Base
2019 Nissan 370Z Heritage Edition
2019 Nissan 370Z Nismo
2019 Nissan 370Z Sport
2019 Nissan 370Z Sport Touring
2019 Nissan 370Z Touring
2020 Nissan 370Z Base
2020 Nissan 370Z Nismo
2020 Nissan 370Z Sport
2020 Nissan 370Z Sport Touring
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
