Steeda 2015-2021 Ford Mustang GT Hardcore ProFlow Closed Cold Air Intake
Horsepower per dollar, Steeda’s Ford Mustang GT ProFlow Closed Cold Air Intake is the best choice for stock intake manifold 2015+ Coyote powered Mustangs. Steeda ProFlow Mustang Cold Air Intake for your S550 opens up the induction system of Ford’s 5.0 powerplant and allows it to breathe much more freely than the stock intake system allows, taking your S550 Mustang GT to the highest level of performance. The system comes with an oiled reusable high flow panel filter and a high flow dry filter is available separately.
Warning: Not approved for sale in California or states that require a California E.O. #. This part has been designed and is intended for off-road application only. Installation of this part on a vehicle that is driven on public roads may violate U.S. and Canadian laws and regulations.
Note: Federal and several state and provincial laws prohibit the removal, modification or rendering inoperative of any part that affects emissions or safety on motor vehicles used on public streets or highways. Steeda Autosports assumes no liability for any violations arising out of any federal, state or provincial emissions or safety requirements on motor vehicles arising out of the customer’s modifications and/or use of Steeda products. It is the responsibility of the customer to determine if their modified vehicle complies with applicable laws. This limited warranty is the only express warranty applicable to Steeda Autosports products. Other rights may arise or vary from state to state in the United States. Steeda is not responsible for any time for which you may lose the use of your vehicle, any inconvenience you might be caused, the loss of your transportation or any part thereof, or any other incidental or consequential damages you may have.
Product Benefits
CAD designed air box lid and tube [sealed]
Largest mass air meter on the market (121mm) for most airflow possible
Coolest intake air temperatures (IATs) on the market for consistent performance
25HP increase more then stock
30HP increase over stock at mid-range [max gains]
Fits all 2015-2021 Ford Mustang GTs, including 2018 and newer
Includes our washable Steeda S550 Mustang Oiled Air Filter ( #555-3221)
Quick and easy install
Used on the Steeda ‘Silver Bullet’, the FIRST NA 2018 Mustang to get into the 10s in the 1/4 mile ( Click here to see it in action )
***TUNE REQUIRED***
Retains all factory vacuum lines with optional sound tube delete
Utilizes the factory grille duct
No turbulence due to placement of factory hood vents on 2018
Made in the USA
Lifetime warranty
Steeda has been building the best Cold Air Intakes for Ford performance vehicles longer than any other company
Check out the included dyno sheet for hp/tq gains
Note: Drop-in air filter color may vary.
We’ve got your back!
Function Factory Performance takes “customer service” very personally. We understand that finding the right parts can be overwhelming. Education and awareness are the principles that keep us ahead of the curve. Let us make this experience simple, easy, and awesome, so without hesitation give us a call at (480) 576-8606, feel free to direct message on our live chat, or CLICK HERE to contact us via email.
Make sure to follow us on Instagram: @FFPerformanceAZ and Youtube.
EMAIL A FACTORY SPECIALIST FOR HELP CALL A FACTORY SPECIALIST NOW
Frequently Asked Questions
For made-to-order or specialty items (like carbon fiber parts or custom builds), the turnaround can take up to 8 weeks — perfection takes time.
Either way, we’ll keep you updated so you know exactly when your parts are leaving the pit lane.
If your order ships via freight, you’ll get a separate email with a direct link to the carrier’s tracking page — easy and stress-free.
If your shipment is lost, just email or call us — we’ll help track it down and guide you through the next steps to make it right.
Follow us on Instagram, YouTube, and Facebook, and most importantly, drop us a review on Google or Yelp to let others know about your experience.
Your feedback helps us grow, create more content, and keep bringing performance-driven parts to the community.
1st Class Service
Call
805-267-9762
or email Support@FFPerformance.coWe know car parts can be a maze — good thing we brought the map. Our team’s here to keep things smooth, simple, and maybe even a little fun.
Don’t forget to follow @FFPerformanceAZ on Instagram and YouTube.
1
Customer Support Specialist
Have a question about parts or your order? We're open Monday to Friday, 9:00 AM to 5:00 PM PST.
Your Product Is Guaranteed
Our #1 responsibility is to deliver your parts as quickly as possible.
Race Proven Knowledge.
The crew at FFP is built from real racers and car enthusiast.
Payments Verified
We verify every transaction to prevent fraud. Know that your information is safe.
















Reviews
There are no reviews yet