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AEM 04-06 Mazda RX-8 Red Cold Air Intake
AEM 04-06 Mazda RX-8 Red Cold Air Intake
AEM 04-06 Mazda RX-8 Red Cold Air Intake
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AEM 04-06 Mazda RX-8 Red Cold Air Intake

Marsoni M251S
Sale price$216.47
Pay 4 payments of $54.12 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
AEM 04-06 Mazda RX-8 Red Cold Air IntakeThe AEM 21 485R 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 above the passenger side
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  • Express: 1-2 business days

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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]
  • Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 481 reviews
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Product Reviews
M
Verified Purchase
Mark Liszkiewicz
Charlottesville, US
★★★★★ 5
nice quality
Size: 1.9" x 9.9" x 11.4"
I happen to be a fan of K&N air filters. Fit perfect in my vehicle. Seems like a much nicer quality filter than the cheapo filters from the parts store.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
G
Verified Purchase
gwpconcreteman
Pawtucket, US
★★★★★ 5
excellent product
Size: 1.9" x 9.9" x 11.4"
easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
L
Verified Purchase
Leyla Raymondo
San Leandro, US
★★★★★ 5
Great purchase!
Size: 1.9" x 9.9" x 11.4"
This has worked out quite well. I have had it since 2023 and have been cleaned thru about 6 maintenance schedules. It's been 2 yrs and it's in great shape. Worth every penny.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025
O
Verified Purchase
OldMan
Charlottesville, US
★★★★★ 4
Really filters the cabin air
Size: 1.9" x 9.9" x 11.4"
K&N filters are always a cut above. Can’t say the same for service/support after the sale.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
R
Verified Purchase
Richard B
Grantham, US
★★★★★ 5
quick and easy fit
Size: 1.9" x 9.9" x 11.4"
Instructions made it a very quick and easy fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026

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