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Ships within 48 hours · Estimated delivery Oct 15 - Oct 20
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Description
AEM 4in Universal Cold Air Intake SystemAEM's 21 5011 is ideal for engine swaps when a custom intake is required. It comes with an AEM Dryflow Air Filter, three 4 inch diameter aluminum tube bends, one straight 36 inch long, 4 inch diameter tube, seven couplers, a weld on mass air flow sensor pad, two brackets and hardware needed to custom build an air intake.
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 1632 reviews
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Product Reviews
★★★★★ 5
Worthy buy!
These are high quality clips. The tool is nice and strong.
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Works great
There's a ton of clips in this bag, and they fit the bumper I was installing easy enough. Can't complain. Nice that they included a tool as well, used it to help pull pieces when I was installing them incorrectly for a second.
Word of advice to the manufacturer, maybe include instructions, it's not abundantly clear how to install these.
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Reviewed in the United States on August 5, 2025
★★★★★ 5
Muy práctico
Muy práctico para salir de apuros y me gustó mucho la variedad de tamaños
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Useful
Very secure attachment
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Reviewed in the United States on April 8, 2026
★★★★★ 4
Good
Good
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Reviewed in the United States on March 22, 2026
