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Description
AEM 04-06 Mazda RX-8 Silver Cold Air IntakeThe AEM 21 485C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno tested to fit specific Mazda RX 8 models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in above the passenger
The AEM 21-485C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Mazda RX-8 models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in above the passenger side wheel well which is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from series of gradually expanding aluminum inlet pipes featuring a durable gunmetal gray powder coated finish. This air intake system was developed to accommodate the engine's factory emissions control devices including the mass air flow sensor and breather hoses. The cone shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). The air intake system is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards while others are 50 state legal. View the 21-485C vehicle applications to determine the legal status for each vehicle.Installation Instructions
User 1
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008 | Mazda | RX-8 | 40th Anniversary Edition |
| 2004-2007 | Mazda | RX-8 | Base |
| 2008-2011 | Mazda | RX-8 | Grand Touring |
| 2009-2011 | Mazda | RX-8 | R3 |
| 2005 | Mazda | RX-8 | Shinka |
| 2008-2011 | Mazda | RX-8 | Sport |
| 2008-2009 | Mazda | RX-8 | Touring |
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- Free Standard Shipping on $100+ Orders to the USA.
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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]
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4.9 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Great item
Size: USB C to Ethernet Adapter
Works like a charm. Easy set up.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
great product
Size: USB C to Ethernet Adapter
I have a bunch of these and the y work great, fast, easy to use
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Worth every penny
Size: USB C to Ethernet Adapter
This adapter provides a stable, hardwired connection when Wi-Fi is not fast enough for heavy law school research. It is strictly plug and play, requiring no software installation. The weight is negligible, making it easy to keep in my bag for campus. Given the excellent build quality and consistent functionality without any drop-offs, it offers solid value for money. It’s perfectly versatile for numerous uses (keeps me from having to use like 3 other dongles)
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Reviewed in the United States on May 26, 2026
★★★★★ 5
works great iPhone
Size: USB C to Ethernet Adapter
flawless with iPhone, great product
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Works brilliantly with Steam Deck!
Size: USB C to Ethernet Adapter, Size: USB C to Ethernet Adapter
I bought this specifically for a Valve Steam Deck. I recently got a gigabit fiber connection and wanted to take full advantage of it when downloading games on the Deck. I took a gamble on this adapter knowing that Linux generally has incredible driver support without much, if any, configuring.
I installed it into the Steam Deck's USB-C port, hooked the other end up to my network switch, and the Steam Deck instantly registered a new wired connection. I didn't even have to go into "Desktop Mode" for it; it all worked flawlessly in the "Gaming Mode". I downloaded a 15GB game in about 3 minutes with the Deck maxing out at 880Mbps.
The device itself seems well built with a braided cable and gray anodized aluminum enclosures on each end. It's small and compact so it'll fit nicely in the Steam Deck case's little pouch or in that drawer that every house has that's full of cables, adapters, and dongles. It seems as though it's good value for money as well, like every Anker product I've purchased, but time will tell if something goes screwy down the line.
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Reviewed in the United States on October 1, 2025