The first step in upgrading your car's performance is to replace the restrictive stock air box with a STILLEN High Flow Cold Air Intake system. It might just be the best dollar-per-horsepower investment you make!

When you install a STILLEN air intake, you can be confident you're using the best air intake kit on the market - one you can be sure delivers the performance gains you're seeking.

All STILLEN air intakes are designed, tested and manufactured right here at our Orange County California facilities. Our engineers develop and optimize each intake to generate peak horsepower and torque increases across the RPM range. Once a design is finalized, our expert craftsman manufacture and assemble each air intake kit with pride and precision.

Each STILLEN High Flow Air Intake kit includes a high quality K&N cone filter or AEM dry filter (on select kits). Note that the high flow design increases the volume of engine note both inside and outside the cabin. Performance-minded enthusiasts typically find the authoritative note of a high flow air intake pleasing.

Z-Tube Included!

The factory intake tracts on the and FX35 were not designed for maximum performance. On the other hand, the 350Z, which shares its engine with these vehicles, is equipped with a much more efficient intake tube that breathes easier and cooler than its Infiniti counterparts. The OEM 350Z intake tract fits the G35 and FX35, as long as you're willing to pay the price for OEM parts. If you want more power for less money, the experts at STILLEN have got you covered with the STILLEN Z-Tube. It offers all the performance of the 350Z tube without the high OEM price tag.

• Hi-Flow Intake Kit
• Includes Genuine K&N Air Filter w/Venturi Ring
• Polyurethane Heat Shield
• Includes Z-Tube Intake
• Not CARB Exempt **Not For Sale in California**
• Reuses original couplers

Fits:

• 2003-2008 Infiniti FX35 (S50)

*** This item does not qualify for any additional discounts or promotions ***