


aFe MagnumFORCE Stage-2Si CIA System w/ Pro 5R Filter 12-15 Porsche 911 Carrera S (991) 3.8/3.8L
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
aFe MagnumFORCE Stage-2Si CIA System w/ Pro 5R Filter 12-15 Porsche 911 Carrera S (991) 3.8/3.8LSKU: 54 83037R UPC: 802959545539 aFe Power MagnumFORCE Stage 2Si Cold Air Intake System w Pro 5R Filter 2012 2016 Porsche 911 (991) 3. 4L 3. 8L This aFe Power MagnumFORCE Stage 2Si system delivers dyno proven gains of up to +15 HP and +13 lbs. x ft. torque for 2012 2016 Porsche 911 Carrera, Carrera S, Carrera 4, and other 991 models. Dual 360 degree Pro 5R filters outflow the factory intake by 16% with 625 CFM at 7" H2O for increased engine airflow
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Your aFe MagnumFORCE Stage-2Si CIA System w/ Pro 5R Filter 12-15 Porsche 911 Carrera S (991) 3.8/3.8L orders ship within 1-2 business days.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.6 ★★★★★
Based on 1787 reviews
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Product Reviews
★★★★★ 1
Do not buy this junk
Ordered on January 31 installed it on March 19. I’ve started my sick times with it since and now dead absolute junk. I would highly recommend staying away from this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
Works well
Works great so far. Installed it about a month ago..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
★★★★★ 5
Save your plastic cage on the factory filter
This fit the plastic holder that comes with the factory filter. Make sure that you don’t discard the plastic “cage” that is on the factory filter. Reuse the cage with this filter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 4
Good
24 Camry, V6. A little bit different then OEM, just had to tweak the filter a tad, not a big deal but just letting you know. I would still get it again
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Reviewed in the United States on May 23, 2026
★★★★★ 5
2023 RAV4 Hybrid
The product is great and is OEM+ in quality.
This has to be the easiest cabin air filter I have ever changed.
The replacement is super simple. Take off the glove box by pressing in (check for Youtube videos), remove and take the plastic tray out, remove the old filter, and install the new one into the plastic tray, making note to match the direction of the arrows. Reinstall and you are done. Replace once a year.
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Reviewed in the United States on August 9, 2024
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