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Welcome to our Fall Website Refresh. Beta testing in progress. Phone Number: 805-267-9762 This month's discount code: HALLOWEEK3 

Roush Performance 2018-2020 Ford Mustang 5.0L-V8 Performance Pac Level 1 (E.O. #D-418-34 / 50 STATE LEGAL 2018-2020)

5.0L-V8 Performance Pac Level 1 (E.O. #D-418-34 / 50 STATE LEGAL 2018-2020)

$1,069.99

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Roush Performance 2018-2020 Ford Mustang 5.0L-V8 Performance Pac Level 1 (E.O. #D-418-34 / 50 STATE LEGAL 2018-2020)

Product highlights for the 2018-2020 Mustang GT ROUSH Performance Pac – Level 1:

What’s included:
ROUSH PCM (Powertrain Control Module) Calibration
ROUSH Cold Air Intake Kit
Fits the 2018-2020 Mustang 5.0L V8 engine
Increases engine performance throughout the power curve
Adds 24 RWHP and 18 ft-lb RWTQ over stock
PCM calibration is optimized for 91-octane fuel (compatible with lower octane levels with a potential decrease in performance)
Calibration is flashed using free ROUSH RDT software using industry standard J2534 interface tools (Note: a dealer service charge may apply)
Experience a sportier driving experience with more aggressive throttle mapping
Improves throttle response
Reduces air flow restriction
3 year/36,000 mile limited powertrain warranty
50 State Legal for 2018-2020 Model Years: EO #D-418-32
Do you want to take your Mustang’s performance to the next level? The Level 1 Performance Pac is the perfect upgrade to increase horsepower and torque without breaking the bank. Our Level 1 Performance Pac includes the specially tuned ROUSH Calibration and Cold Air Intake Kit, designed to unleash an additional 24 rear-wheel HP and 18 lb-ft rear wheel torque over the stock performance for a thrilling driving experience.

The Cold Air Intake Kit has been redesigned and engineered specifically for the 2018-2020 Mustang 5.0L V8 engine. Replace your restrictive factory air intake system with our Cold Air Intake Kit for improved throttle response and a sportier driving experience. Our new specially designed “see-through” lens on top of the air box displays the air filter as if it were an open airbox. The enclosed airbox creates more horsepower by keeping inlet air temperatures down.

The Performance Pac kit includes the air filter with clamp, injection-molded lower airbox/tray with installed foam hood seal, clean air tube, and all required mounting hardware. The kit utilizes all factory emissions and vacuum lines. Factory mounting locations and hardware are utilized to allow for quick and easy installation.

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Frequently Asked Questions

How long does it take for my parts to ship?
If it’s in stock and ready to roll, your order usually hits the road within 1–3 business days.

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.
Do you send tracking with my order?
Absolutely. Once your order ships, you’ll receive an email with a tracking link so you can follow its journey from our shop to your doorstep.

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.
What happens if my parts get lost or damaged?
Things happen on the road — even to boxes. If your order arrives damaged, snap a few clear photos of the box and product and send them our way right away.

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.
What can I do to help FFP?
Simple — spread the horsepower!

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.

1

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