The PRL Motorsports Cobra Cold Air Intake is sold as a kit for the 11th gen Civic Si (FL4), but it fits the 5th gen Acura Integra A-Spec (DE4) perfectly and the install is identical.
In this write-up and video, I install the PRL Cobra Cold Air Intake on my 2024 Acura Integra A-Spec Tech (DE4) using the same procedure PRL specifies for the 2022–2025 Honda Civic Si 1.5T.
If you’re running an 11th gen Civic Si or Integra DE4, this is a true bolt-on solution and a great OEM+ style upgrade.
Watch the Full Install Video
I filmed the entire process step-by-step, including a few tips that don’t always show up in the instructions.
👉 Watch the full install on YouTube:
What We Cover in the Install
Using PRL’s official install guide as a baseline, the video and this post walk through:
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Removing the stock intake and airbox
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Installing the PRL Cobra intake, MAF housing, and lower tube
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Routing the intake into the fender / bumper area for true cold-air placement
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Tips to avoid common install mistakes (clips, bolt access, and sensor handling)
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Final checks and first start-up
If you can handle basic hand tools and are comfortable under the hood, this install is very doable in a home garage.
Parts and Tools Used
Below are the tools and accessories I used (or close equivalents). These are affiliate links — using them helps support the channel at no extra cost to you. 👇
Hand Tools & Sockets
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17PCS 3/8" Drive Magnetic Impact Socket Set:
https://amzn.to/4iTYlt5 -
Capri Tools Hex Bit Socket Set, Metric:
https://amzn.to/4oPBFLN -
CRAFTSMAN Shallow Socket, Metric, 1/4" Drive, 5.5mm:
https://amzn.to/4oRwV8m -
CRAFTSMAN Metric Nut Driver Set:
https://amzn.to/4rMcI6J -
Auto Trim Removal Tool Kit:
https://amzn.to/4iPYUUx -
4-Piece 3/8" Drive Socket Extension Bar Set:
https://amzn.to/3Yki4IC -
3/8" Drive Socket Set, Metric Sockets:
https://amzn.to/3MxUOo0 -
CRAFTSMAN Low Profile Ratchet (3/8" Drive):
https://amzn.to/44hnqYQ -
CRAFTSMAN Low Profile Ratchet, 1/4" Drive:
https://amzn.to/4rSjvf8 -
Cordless Electric Ratchet (similar to mine):
https://amzn.to/48xCyUr -
CRAFTSMAN Torque Wrench, 3/8" Drive:
https://amzn.to/3KL5yPe
PRL Intake Kit
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PRL Cobra Cold Air Intake (Civic Si / Integra DE4 platform):
https://prlmotorsports.com/products/prl-motorsports-cobra-cold-air-intake-system-2022-honda-civic-si-1-5t-11th-gen?_pos=4&_psq=col&_ss=e&_v=1.0
This kit is marketed for the 11th gen Civic Si, but as shown in the video, it bolts right onto the Integra A-Spec (DE4) with identical fitment and routing.
Why I Like the Cobra on the Integra DE4
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True cold-air placement in the fender / bumper area
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Clean OEM+ look in the engine bay
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Shared platform with the Civic Si means strong aftermarket and proven results
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Install is completely reversible if you ever want to go back to stock
If you’re comfortable following torque specs and taking your time around the MAF sensor and plastic clips, this is a very satisfying upgrade.
About the Build
We’re taking our 2024 Acura Integra A-Spec Technology Package to the next level with OEM accessories, performance upgrades, and styling mods. Follow along as we transform this car step by step — from installs and reviews to real-world testing.
If you’re into sport compact builds, JDM-inspired tuning, or daily-driver performance, you’ll feel right at home here. We’re also bringing lessons learned from our overlanding and Land Cruiser days into the tuner garage — it’s still all about exploring and learning as we go.
💬 Have a question or a mod you want to see?
Drop a comment on the video or reach out — your ideas drive our next projects.
🌐 More content: https://bradyadventures.com
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