


aFe MagnumFLOW IAF PRO 5R EcoBoost Stage 2 Replacement Air Filter 3-1/2F x 5B x 3-1/2T x 7H x 1 FL
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
aFe MagnumFLOW IAF PRO 5R EcoBoost Stage 2 Replacement Air Filter 3-1/2F x 5B x 3-1/2T x 7H x 1 FLConstructed with 100 percent polyurethane on top and bottom, this high flow, oiled performance filter is our highest flowing media for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings.
Quick Dispatch:
Your aFe MagnumFLOW IAF PRO 5R EcoBoost Stage 2 Replacement Air Filter 3-1/2F x 5B x 3-1/2T x 7H x 1 FL orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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You'll receive a tracking link by email once your aFe MagnumFLOW IAF PRO 5R EcoBoost Stage 2 Replacement Air Filter 3-1/2F x 5B x 3-1/2T x 7H x 1 FL ships.
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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.
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4.1 ★★★★★
Based on 1169 reviews
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Product Reviews
★★★★★ 5
Good filter
Cabin filter works in 2009 Prius.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
★★★★★ 5
Fits well
Filter works as advertised
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
Good one
As described. Easy to install, good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
★★★★★ 4
Good Enough
This doesn't fit precisely into place. You can see in the photo that the pleats just end with no frame on the sides to seal to the body of the housing. You can wiggle the end pleat into place but there's nothing holding it there so I don't know how long it will stay there. Not a big deal for me, but if you live on a dirt road, there could be enough air bypassing the filter that you may get a dusty car sooner. Price was fine, but I won't buy this filter again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2025
★★★★★ 5
fit for purpose
easy install. works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026
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