For 2005-2017 Nissan Frontier, 2005-2012 Nissan Pathfinder, and 2005-2013 Nissan Xterra [D40/R51/N50]
Part Number: 403440
Product Features
- Engine Compatibility: Optimized for 4.0L V6 engines.
- Roto-Molded Enclosed Air Box: Shields intake air from engine heat for a true cold air intake.
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STILLEN Oiled Filter:
- Washable and reusable.
- Easy to clean and re-oil for consistent performance.
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Performance Gains:
- Dyno-proven 11 WHP peak gain for improved midrange and top-end acceleration.*
- Enhanced throttle response and torque for better driveability.
- Increased Efficiency: Enhanced airflow and filtration efficiency may improve fuel mileage (MPG).
- Ease of Installation: Simple enough to install in your driveway with basic tools.
- Engine Bay Aesthetics: Sleek, performance-oriented black finish enhances the engine compartment's appearance.
- OEM ECU Compatibility: Runs perfectly without triggering a CEL (Check Engine Light) or requiring a custom tune.
- CARB Exempt: EO# D-436-22 for 2005-2016 Nissan Frontier models, making it street-legal in emissions-compliant states.
Key Benefits
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True Cold Air Performance:
A sealed airbox prevents hot engine bay air from entering the intake, delivering consistently cooler air for optimal performance. -
Peak Power Gains:
11 WHP gain improves acceleration and throttle response across the RPM range.* -
Fuel Economy Improvements:
Better airflow dynamics can enhance MPG during normal driving conditions. -
Reusable Filter:
The STILLEN oiled filter is easy to maintain, providing a long-term cost-effective solution for clean airflow. -
Hassle-Free Operation:
Works seamlessly with the factory ECU, eliminating the need for aftermarket tuning. -
Made in the USA:
Designed and manufactured with high-quality materials to ensure durability and performance.
Applications
- 2005-2017 Nissan Frontier (D40)
- 2005-2012 Nissan Pathfinder (R51)
- 2005-2013 Nissan Xterra (N50)
Performance and Design
STILLEN’s dedication to performance optimization for the 2nd-gen Nissan Frontier, Pathfinder, and Xterra vehicles has resulted in this high-flow intake kit. Engineered with precision, the system uses a cone-style oiled filter featuring a velocity stack to accelerate airflow using the venturi effect. The result is enhanced engine efficiency, improved power output, and optimized air-fuel ratios for better overall performance.
Important Notes
- CARB Compliance: EO# D-436-22 ensures legality for 2005-2016 Nissan Frontier models in emissions-controlled states.
- Maintenance: Regularly clean and re-oil the STILLEN filter for best results and sustained performance.
- *Performance gains may vary based on vehicle condition and operating environment.
Upgrade your Nissan Frontier, Pathfinder, or Xterra with the STILLEN Hi-Flow Enclosed Air Intake Kit for better power, efficiency, and driving experience—all while maintaining compliance and simplicity.