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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
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Description
K&N Custom Racing Assembly Carbon Fiber 4in Air Box w/o Base - LargeDiscover the performance advantage with the K&N Custom Racing Assembly Carbon Fiber 4in Air Box without base. Designed for serious automotive enthusiasts and racers, this large air box combines durability with lightweight carbon fiber construction for enhanced airflow and protection of your engine's intake system. The precision engineering behind this air intake component ensures optimal air filtration and maximizes your engines efficiency, allowing
Discover the performance advantage with the K&N Custom Racing Assembly Carbon Fiber 4in Air Box without base. Designed for serious automotive enthusiasts and racers, this large air box combines durability with lightweight carbon fiber construction for enhanced airflow and protection of your engine's intake system.The precision engineering behind this air intake component ensures optimal air filtration and maximizes your engine’s efficiency, allowing your vehicle to breathe easier and perform better under demanding conditions. Its large size accommodates a significant volume of air, making it ideal for high-performance applications where airflow is crucial.
This air box is part of K&N Engineering's renowned lineup, trusted worldwide for quality and innovation in air intake systems. The carbon fiber material not only provides robustness but also adds a sleek, sporty appearance under your hood, complementing any performance build.
Perfect for upgrading or customizing your ride, the K&N Custom Racing Assembly Carbon Fiber Air Box is crafted to fit seamlessly into your setup, supporting your pursuit of power and speed without compromise.
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
4.3 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Good
Good filter and low price
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Breathe Easy, My Civic’s Engine Just Got a Spa Day!
Let’s talk about the Premium Engine Air Filter that’s compatible with my Honda Civic—because every car deserves a little TLC, right? Installing this filter felt like giving my engine a refreshing breath of fresh air (pun totally intended).
My old filter was so clogged it could’ve doubled as a dust bunny in a horror movie. But with this new filter, my Civic is running smoother than ever! It’s like my car took a deep inhale and said, “Ahhh, that’s the stuff!” Now I’m cruising down the road, and my engine sounds happier than a kid in a candy store.
The installation process was easier than finding a parking spot at the mall (and we all know how impossible that can be). I popped it in, and just like that, my car was ready to tackle the open road—or at least the next drive-thru.
If you care about your car and want to keep it running like a champ, this air filter is a no-brainer. It’s affordable, easy to install, and your engine will thank you for the upgrade. Trust me; your Civic deserves the best air it can get—because happy engines make for happy drivers!
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Reviewed in the United States on October 24, 2024
★★★★★ 5
Perfect Fit
Good Quality
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Reviewed in the United States on September 26, 2025
★★★★★ 4
good
good
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Make sure you open and make sure it fits your vehicle rather than waiting months to find out.
Perfectly fits my vehicle. Saves much money from having dealer replace this.
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Reviewed in the United States on May 21, 2026