2009 Nissan Pathfinder 4.0L V6 Gas Air Intake
- Guaranteed to increase horsepower and torque
- Roto-molded HDPE intake tube paired with oversized oiled cotton air filter
- Engineered to provide high airflow and exceptional filtration
- Replaces factory air filter and intake tube
- Filter only requires cleaning every 100,000 miles under normal highway driving conditions
- Typical installation can be completed in 60 minutes or less with simple hand tools
- No-Hassle Lifetime Limited Warranty™
- Will not void vehicle warranty
| Estimated Horsepower Gain | 14.27 HP @ 5075 RPM |
| Replacement Filter | RU-1014 |
| Air Filter Color | Red |
| Air Filter Material | Cotton Gauze |
| Air Filter Outlet Shape | Round |
| Clamps Included | 5 |
| Clamp Material | Stainless Steel |
| Clamp Style | Regular |
| CARB EO Number | D-269-109 |
| Couplers Included | 2 |
| Type | Gen II |
| Estimated Torque Gain | 14.8 lbft |
| Product Style | 57 Series FIPK |
| Intake Pipe Color / Finish | Black |
| Intake Pipe Material | High-Density Cross-Linked Polyethylene |
| Street Legal In All US States | Legal for use in all 50 states. |
| TUV Approved (Europe) | No |
| Weight | 14.3 lb (6.5 kg) |
| Product Box Height | 15.6 in (396 mm) |
| Product Box Length | 24.2 in (615 mm) |
| Product Box Width | 20.2 in (513 mm) |
| Mounting Hardware Included | Yes |
| Oversize Shipping | OS1 |
| Warranty | No-Hassle Lifetime Limited |
Easy Moderate Advanced
Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
60-90 Minutes
Installation PDF
Installation Instruction Sheet Horsepower Guarantee Dyno Chart - 2005 Nissan Frontier 4.0L - 14.27HP Increase
- Guaranteed to increase horsepower and torque
- Roto-molded HDPE intake tube paired with oversized oiled cotton air filter
- Engineered to provide high airflow and exceptional filtration
- Replaces factory air filter and intake tube
- Filter only requires cleaning every 100,000 miles under normal highway driving conditions
- Typical installation can be completed in 60 minutes or less with simple hand tools
- No-Hassle Lifetime Limited Warranty™
- Will not void vehicle warranty
| Estimated Horsepower Gain | 14.27 HP @ 5075 RPM |
| Estimated Torque Gain | 10.2 lbft |
| Air Filter Color | Red |
| Air Filter Material | Cotton Gauze |
| Air Filter Outlet Shape | Round |
| Clamps Included | 5 |
| Clamp Material | Stainless Steel |
| Clamp Style | Regular |
| Couplers Included | 2 |
| Replacement Filter | RU-1014 |
| Product Style | 63 Series Aircharger Kits |
| Intake Pipe Color / Finish | Black |
| Intake Pipe Material | High-Density Cross-Linked Polyethylene |
| Street Legal In All US States | Not legal for sale or use in California on any pollution controlled motor vehicle. |
| TUV Approved (Europe) | No |
| Weight | 14.3 lb (6.5 kg) |
| Product Box Height | 15.6 in (396 mm) |
| Product Box Length | 24.2 in (615 mm) |
| Product Box Width | 20.2 in (513 mm) |
| California Restricted | Not legal for sale or use in California |
| Mounting Hardware Included | Yes |
| Oversize Shipping | OS1 |
| Warranty | No-Hassle Lifetime Limited |
Easy Moderate Advanced
Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
60-90 Minutes
Installation PDF
Installation Instruction Sheet Horsepower Guarantee Dyno Chart - 2005 Nissan Frontier 4.0L - 14.27HP Increase
- Guaranteed to increase horsepower and torque.
- Mandrel-bent aluminum intake tube paired with oversized oiled cotton air filter.
- Engineered to provide high airflow and exceptional filtration.
- Replaces factory air filter and intake tube.
- Filter only requires cleaning every 100,000 miles under normal highway driving conditions.
- Typical installation can be completed in 60 minutes or less with simple hand tools.
- No-Hassle Lifetime Limited Warranty.
- Will not void vehicle warranty.
| Estimated Horsepower Gain | 11.63 HP @ 5200 RPM |
| Replacement Filter | RF-1014 |
| Air Filter Color | Red |
| Air Filter Material | Cotton Gauze |
| Air Filter Outlet Shape | Round |
| Clamps Included | 5 |
| Clamp Material | Stainless Steel |
| Clamp Style | Regular |
| Couplers Included | 2 |
| Estimated Torque Gain | 11.8 lbft |
| Product Style | 77 Series Kits |
| Intake Pipe Color / Finish | Bright Mirrored Finish |
| Intake Pipe Material | Aluminum |
| CARB EO Number | D-269-109 |
| Street Legal In All US States | Legal for use in all 50 states. |
| TUV Approved (Europe) | No |
| Weight | 14.5 lb (6.6 kg) |
| Product Box Height | 15.6 in (396 mm) |
| Product Box Length | 24.2 in (615 mm) |
| Product Box Width | 20.2 in (513 mm) |
| Mounting Hardware Included | Yes |
| Oversize Shipping | OS1 |
| Warranty | No-Hassle Lifetime Limited |
Easy Moderate Advanced
Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
60-90 Minutes
Installation PDF
Installation Instruction Sheet Horsepower Guarantee Dyno Chart - 2005 Nissan Frontier 4.0L- 11.63HP Increase
- Precision-tuned and dyno-validated to enhance throttle response, sharpen acceleration, and improve overall engine efficiency, helping maximize horsepower and drivability.
- Creates a deeper, more aggressive induction tone that highlights the intake system’s improved airflow.
- Features low-restriction intake tubing that increases air velocity and high-volume airflow for maximum performance gains.
- Equipped with a long-life, high-capacity air filter capable of up to 100,000 miles before servicing (depending on driving conditions), reducing maintenance while maintaining strong, clean airflow.
- Utilizes washable, reusable, oil-free synthetic filter media that preserves airflow efficiency, traps harmful contaminants, and provides long-term value over disposable filters.
| Estimated Horsepower Gain | 11.2 HP @ 5300 RPM |
| Replacement Filter | 21-2109DK |
| Air Filter Color | Red |
| Air Filter Material | Non-woven Synthetic |
| Clamps Included | 1 |
| Clamp Material | Steel |
| Clamp Style | Regular |
| Couplers Included | None |
| Power Spacer included | No |
| Warranty | Limited Lifetime |
| Product Style | AEM Brute Force Intake System |
| Air Filter Outlet Shape | Round |
| Intake Pipe Color / Finish | Gunmetal Gray |
| Intake Pipe Material | Aluminum |
| CARB EO Number | D-670-21 |
| Street Legal In All US States | Not legal for sale or use in California on any pollution controlled motor vehicle. NOTE: Some specific models and years may be legal in CA. Check the CARB status on your parts at knfilters.com. |
| TUV Approved (Europe) | No |
| Weight | 13.6 lb (6.2 kg) |
| Product Box Height | 10.75 in (273 mm) |
| Product Box Length | 35.63 in (905 mm) |
| Product Box Width | 13.25 in (337 mm) |
| Mounting Hardware Included | Yes |
| Oversize Shipping | OS1 |
Easy Moderate Advanced
Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
60-90 Minutes
Installation PDF
Installation Instruction Sheet Dyno Chart - 2005 Nissan Frontier 4.0L - 11.20HP Increase
