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Description
AEM Cold Air Intake System C.A.S. MAZDA MX-5/MIATA 2.0L L4 06-09The AEM 21 640C 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 MX 5 and MX 5 Miata 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 relocated to the
The AEM 21-640C 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 MX-5 and MX-5 Miata 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 relocated to the inside of the front bumper on the driver's side which is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from mandrel-bent aluminum 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. The tapered cylinder 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 21-640C vehicle applications to determine the legal status for each vehicle.Installation Instructions
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006 | Mazda | MX-5 Miata | Base |
| 2006 | Mazda | MX-5 Miata | Club Spec |
| 2006-2009 | Mazda | MX-5 Miata | Grand Touring |
| 2006-2009 | Mazda | MX-5 Miata | Sport |
| 2007-2009 | Mazda | MX-5 Miata | SV |
| 2006-2009 | Mazda | MX-5 Miata | Touring |
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
4.6 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 3
started fogging up inside after a couple of swimming sessions
Color: Black
Unfortunately, my watch started fogging up inside after just a couple of normal swimming sessions. I rinsed it with fresh water every time afterward and dried it with a towel, but later noticed moisture building up inside, and now I have to put it in rice to pull the condensation out.
On the other hand, it’s hard to find good-looking classic-style watches with tide information, so I might just keep it as an everyday accessory rather than a watch for swimming.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Great watch for a great price.
Color: Green/Green
Watch is well made and keeps time accurate. Easy to charge and just keeps going. No surprises. If you like what you see and want a solar watch go for it. Sapphire Glass too.
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Reviewed in the United States on October 25, 2023
★★★★★ 2
It was too good to be true
Color: Tan
I spoke too soon. Like with every Timex, this one was faulty, too. When the seconds hand reaches the 12 o'clock position (indicating the start of a new minute), the minutes hand should align precisely with a minute marker. That's how it should be. However, in the case of this particular watch, the minutes hand consistently lags behind, meaning it does not align correctly with the minute marker when the seconds hand hits the 12. No matter how precisely I align the minute hand when resetting the time, the minute hand eventually misaligns.
Timex, I give up.
ORIGINAL REVIEW: "Wow. After receiving 3 faulty, shoddily built Timex watches in a row, color me impressed. This looks good, feels good, and operates well. This is a great cheap alternative to the Khaki Field watch, IMO. The case is made of steel, not brass like many Timex watches. The glass is mineral, but here's something many watch enthusiasts don't tell you—mineral glass is more impact-resistant than sapphire crystal. Since you want a field watch to have more impact-resistant features, I'm okay with mineral glass. And here's the final bonus... the second hand actually hits all the markers. This may not be your experience, but with the one I got, it's hitting the marks perfectly.
A lot of collectors obsess over specifications way too much. For me, as long as the watch functions properly, aesthetics and design are most important. And this watch has it. In person, this watch just looks really, really good. And for the price I got it at, it checks off the spec sheet too.
Now, let's see how it holds up over time."
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Reviewed in the United States on June 24, 2024
★★★★★ 5
Thumbs up
Color: Tan
Great watch for the $$$. Classy looking too.
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Reviewed in the United States on August 22, 2025
★★★★★ 2
Too small
Color: Tan
I have small wrists and this was too small even for me. It also seems a bit cheap compared to my other Timex and Casio.
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Reviewed in the United States on April 3, 2024
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