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AEM C.A.S. 17-18 Subaru Legacy H4-2.5L F/I Cold Air Intake
AEM C.A.S. 17-18 Subaru Legacy H4-2.5L F/I Cold Air Intake
AEM C.A.S. 17-18 Subaru Legacy H4-2.5L F/I Cold Air Intake
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AEM C.A.S. 17-18 Subaru Legacy H4-2.5L F/I Cold Air Intake

Marsoni M251S
Sale price$185.00
Pay 4 payments of $46.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
AEM C.A.S. 17-18 Subaru Legacy H4-2.5L F/I Cold Air IntakeThe AEM 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 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 the original air box space and is
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Your AEM C.A.S. 17-18 Subaru Legacy H4-2.5L F/I Cold Air Intake orders ship within 1-2 business days.

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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • 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
4.6 ★★★★★
Based on 1929 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 5
Noticeable scent difference compared to factory standard
Smells clean for months. We are mainly gravel roads and these cabin filters do a great job
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
G
Verified Purchase
Gary H.
Carnegie, US
★★★★★ 5
It fits perfectly.
Great replacement and a very good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
A
Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 5
Nice and a good price.
Fit our F250 Diesel well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2025
R
Verified Purchase
Rick
Massapequa, US
★★★★★ 5
Great fitment
Nice fitment
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 15, 2025
L
Verified Purchase
Lauren Drennan
Alexandria, US
★★★★★ 2
F250 cabin filter change
Too thick. Air flow decreased significantly which is terrible in the AZ heat!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 27, 2025

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