We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
2005 Infiniti QX56 5.6L V8 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 | 11.21 HP @ 5073 RPM |
| Replacement Filter | RU-1044 |
| Air Filter Color | Red |
| Air Filter Material | Cotton Gauze |
| Air Filter Outlet Shape | Round |
| Clamps Included | 6 |
| Clamp Material | Stainless Steel |
| Clamp Style | Regular |
| CARB EO Number | D-269-109 |
| Couplers Included | 2 |
| Type | Gen II |
| Estimated Torque Gain | 11.6 lbft |
| Product Style | 57 Series FIPK |
| Alternate Replacement Filter | RF-1044/RU-1044XD |
| 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 | 12 lb (5.4 kg) |
| Product Box Height | 12.5 in (318 mm) |
| Product Box Length | 22.25 in (565 mm) |
| Product Box Width | 14.25 in (362 mm) |
| Mounting Hardware Included | Yes |
| 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 - 2004 Nissan Pathfinder Armada 5.6L - 11.21HP 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 | 7.29 HP @ 4914 RPM |
| Replacement Filter | RU-5046 |
| 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 | 7.8 lbft |
| Product Style | 77 Series Kits |
| Alternate Replacement Filter | RC-5046 |
| 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 | 13.1 lb (5.9 kg) |
| Product Box Height | 12.5 in (318 mm) |
| Product Box Length | 22.25 in (565 mm) |
| Product Box Width | 14.25 in (362 mm) |
| Mounting Hardware Included | Yes |
| 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 - 2004 Nissan Titan 5.6L - 7.29HP Increase
- Increased horsepower
- Tuned and dyno-tested to improve acceleration and engine sound
- Low restriction aluminum tubing
- Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)
- Washable and reusable oil-free filter media
| Estimated Horsepower Gain | 17.9 HP @ 3750 RPM |
| Replacement Filter | 21-2109DK |
| Air Filter Color | Red |
| Air Filter Material | Non-woven Synthetic |
| Clamps Included | 5 |
| 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 | 15 lb (6.8 kg) |
| Product Box Height | 14.94 in (379 mm) |
| Product Box Length | 22.2 in (564 mm) |
| Product Box Width | 14.5 in (368 mm) |
| Mounting Hardware Included | Yes |
Easy Moderate Advanced
Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
60-90 Minutes
Installation PDF
Installation Instruction Sheet Dyno Chart - 2004 Nissan Titan 5.6L - 17.9HP Increase