2021 Toyota 4Runner 4.0L V6 Gas Air Intake
- Guaranteed horsepower gain
- Designed to improve throttle response and engine sound
- Free-flowing high density polyethylene tube
- Replaces entire factory air intake system
- K&N No-Hassle Lifetime Limited Warranty
- Lasts up to 100,000 miles before service is required (depending on driving conditions)
- Easy to install, usually in 90 minutes or less
| Estimated Horsepower Gain | 12.18 HP @ 4600 RPM |
| Estimated Torque Gain | 13.6 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-1048 |
| Product Style | 63 Series Aircharger Kits |
| Alternate Replacement Filter | RF-1048/RU-1048XD |
| Intake Pipe Color / Finish | Black |
| Intake Pipe Material | High-Density Cross-Linked Polyethylene |
| Street Legal In All US States | No |
| TUV Approved (Europe) | No |
| Weight | 14.1 lb (6.4 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) |
| California Restricted | Not legal for sale or use in California |
| Mounting Hardware Included | Yes |
| Warranty | No-Hassle Lifetime Limited |
Easy Moderate Advanced
Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
60-90 Minutes
- 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 | 11.13 HP @ 4862 RPM |
| Replacement Filter | RU-1048 |
| 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 | 13.2 lbft |
| Product Style | 77 Series Kits |
| Alternate Replacement Filter | RF-1048/RU-1048XD |
| Intake Pipe Color / Finish | Bright Mirrored Finish |
| Intake Pipe Material | Aluminum |
| Street Legal In All US States | No |
| TUV Approved (Europe) | No |
| Weight | 13.6 lb (6.2 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) |
| California Restricted | Not legal for sale or use in California |
| Mounting Hardware Included | Yes |
| Warranty | No-Hassle Lifetime Limited |
Easy Moderate Advanced
Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
60-90 Minutes
