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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
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Description
K&N 4.0L V6 Gas Cold Air Intake 57-9034 For 4Runner57 series OEM air box intake systems include a washable, reusable High Flow Air Filter paired with a CAD designed high airflow intake tube, and is designed to be a simple, cost effective performance upgrade. The included oiled cotton filter is a direct replacement for your factory filter, drops easily into the factory air box, can go up to 50,000 miles between filter services under normal highway driving conditions, and offers K&N's industry leading
57-series OEM air box intake systems include a washable, reusable High-Flow Air Filter™ paired with a CAD-designed high airflow intake tube, and is designed to be a simple, cost-effective performance upgrade. The included oiled cotton filter is a direct replacement for your factory filter, drops easily into the factory air box, can go up to 50,000 miles between filter services under normal highway driving conditions, and offers K&N's industry-leading engine protection. Each 57-series OEM air box intake system is designed for specific vehicle applications to ensure a precise fit, and can typically be installed in less than 90 minutes with only standard hand tools. Buy with confidence under the K&N® 10-Year/Million Mile Limited Warranty™. Legal in all 50 States.
- Guaranteed to increase horsepower and torque
- Roto-molded HDPE intake tube paired with a direct replacement High-Flow Air Filter™
- Designed to improve throttle response and engine sound
- Engineered to provide high airflow and exceptional filtration
- Filter only requires cleaning every 50,000 miles under normal highway driving conditions
- Typical installation can be completed in 90 minutes or less with simple hand tools
- 10-Year/Million Mile Limited Warranty™
- 50 State legal
| Estimated Horsepower Gain |
5.84 HP @ 5400 RPM |
| Replacement Filter |
33-2438 |
| Air Filter | Red |
| Air Filter Material | Cotton Gauze |
| Product Style |
57 Series FIPK |
| Intake Pipe Color / Finish | Black |
| Intake Pipe Material | High-Density Cross-Linked Polyethylene |
| Street Legal In All US States | Yes |
| Weight | 6 lb (2.7 kg) |
| Mounting Hardware Included | Yes |
| Warranty | 1,000,000 Miles/10 Year |
TOOLS NEEDED: Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
INSTALLATION TIME: 60-90 Minutes
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Nice
Size: X-Large, Color: Royal Blue
Nice to size great fit very nice
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Suit looks great for fun formal events
Size: X-Large, Color: Green
The style and fit are great. I did notice a white thread in the shoulder poking out. I used a marker to darken it so it was not noticeable but other than that this suit really looks great. We have a music event in a couple of weeks that I am wearing this to and think it will delight as a sharp but different. I was also happy that it did not require alterations, sleeve length was on spot and everything fit great (XL) also this is a slim fit but I am not that slim and it fit nicely on me. As long as it doesn't disintegrate during the event I will consider this money well spent.
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Reviewed in the United States on January 13, 2025
★★★★★ 5
Very stylish & tailored fit
Size: Small, Color: Pink
My husband purchased this suit as a “flower-bro” at my sister’s wedding. Unfortunately the color theme for the wedding was changed so he had to change it out which I was sad about because it fit him very well and looked great! The quality was good and the fit looked tailored.
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Reviewed in the United States on January 7, 2026
★★★★★ 5
Loved
Size: Small, Color: Sliver, Size: Small, Color: Sliver
Loved it. Fit well, sizing was good, however think I could have gotten my son the next size down. We ended up buy a smaller size pants.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Beat tuxedo ever !!!
Size: Large, Color: Royal Blue
So beautiful. The texture, design, and quality.
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Reviewed in the United States on May 31, 2026