SKU: 13933503661

aFe MagnumFORCE Stage-2Si CIA System w/ Pro 5R Filter 12-15 Porsche 911 Carrera S (991) 3.8/3.8L

Sale price$386.93 Regular price$429.92
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

aFe MagnumFORCE Stage-2Si CIA System w/ Pro 5R Filter 12-15 Porsche 911 Carrera S (991) 3.8/3.8LDual 360 degree radial flow air filters feature our pre oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance. They provide your engine with the largest amount of high flowing air, usually resulting in the highest power gains out of all our filter media options. This media is perfect for street and or track use. Their inverted tops make for more filter surface area, resulting in longer service intervals.

Dual 360-degree radial flow air filters feature our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance. They provide your engine with the largest amount of high-flowing air, usually resulting in the highest power gains out of all our filter media options. This media is perfect for street and/or track use. Their inverted tops make for more filter surface area, resulting in longer service intervals. The smooth housing, constructed of cross-linked polyethylene (XLPE), is used to minimize the number of components and ensure the coolest air intake charge available. The housing utilizes the factory OE air inlets. A vacuum-formed removable cover seals the system, ensuring cool air delivery to the engine, but can also be removed for extra air flow if desired. This system features a high quality, computer-designed, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit. Its XLPE material is heat soak resistant and extremely durable. The computer designed system utilizes factory mounting locations, minimizing the use of unnecessary hardware and ensuring a perfect fit every time. Its innovative design makes for a hassle-free, direct bolt-on installation process that requires no cutting or drilling. In 2020, Porsche created a recall to add a heat shield in the engine compartment under the air box. The heat shield is to prevent foreign objects left in the engine compartment to make contact with hot exhaust system components and ignite. aFe POWER housing will currently not fit with the heat shield added after the recall. aFe POWER is working on making an update to the housing to allow fitment with this heat shield.

This Part Fits:

Year Make Model Submodel
2014 Porsche 911 50th Anniversary Edition
2012-2016 Porsche 911 Carrera
2013-2016 Porsche 911 Carrera 4
2016 Porsche 911 Carrera 4 Black Edition
2015-2016 Porsche 911 Carrera 4 GTS
2013-2016 Porsche 911 Carrera 4S
2016 Porsche 911 Carrera Black Edition
2015-2016 Porsche 911 Carrera GTS
2012-2016 Porsche 911 Carrera S
2014-2016 Porsche 911 GT3
2014-2016 Porsche 911 Targa 4
2016 Porsche 911 Targa 4 GTS
2014-2016 Porsche 911 Targa 4S
2014-2015 Porsche 911 Turbo
2014-2015 Porsche 911 Turbo S
Shipping Notes
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Exchange/Return Notes
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SKU: 13933503661

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4.1 ★★★★★
Based on 11 reviews
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Verified Purchase
Derek Preston
Louisville, US
★★★★★ 5
Great buy
Size: 11, Color: Tan
Great fit comfortable look good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
M
Verified Purchase
mike t.
Natrona Heights, US
★★★★★ 5
Great shoes
Size: 14 Wide, Color: Black
My shoes look good and feel good and now I’m going to purchase the brown pair I saw
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
N
Verified Purchase
Nicholas D. Clark
Fort Morgan, US
★★★★★ 4
Don’t buy for restaurant industry
Size: 10.5, Color: Black, Size: 10.5, Color: Black
Good looking shoes, fairly comfortable and good value based on the description shared, so I don’t feel it’s fair to rate them lower than 4 stars. I had high hopes for them based on previous reviews from others saying they wore them in the food and beverage industry that mentioned their quality and durability, however I strongly recommend looking elsewhere if you do. I purchased these to wear working in a full service upscale restaurant and in less than two months have managed to have torn the material on the middle exterior section and the bottoms of the shoes are already completely worn down. Good design, but the durability needs to be improved if they’re to hold up for that industry.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 18, 2025
D
Verified Purchase
Damon Richards
Port Orchard, US
★★★★★ 1
DO NOT BUY (lasted less than 7 months)
Size: 11, Color: Black, Size: 11, Color: Black
I bought these for work as a bartender in August of 2025. By December, the tops were scuffed, frayed, and peeling beyond repair, and by February, the soles were coming off. I’ve never had a pair of shoes with such low quality.
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Reviewed in the United States on April 11, 2026
D
Verified Purchase
Daniel Lucarell
Birmingham, US
★★★★★ 5
Most comfortable shoes, right out of the box!
Size: 8.5, Color: Cognac Napa Leather
Oh my! So, my ordering of shoes online has been hit or miss - 1/2 size too big or too small; too wide or not wide enough. Enter these Marc Joseph shoes… such a game changer. They fit like a glove, exceptionally comfortable, and easy to slip in and out of. I like them so much that I am shopping for another pair. So far, the size, quality, fit, feel, look, and comfort make this pair my dedicated first pick. Btw, I have been wearing them for six hours and they are still very comfortable! I highly recommend these shoes.
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Reviewed in the United States on September 28, 2025

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