Flowmaster · New

Flowmaster 18-23 Mustang 5.0L 3in. Outlaw Cat-Back Exhaust System (No Valves)

Name: Flowmaster 18-23 Mustang 5.0L 3in. Outlaw Cat-Back Exhaust System (No Valves)
Brand: Flowmaster
SKU: flo817808
Price: 2306.95 USD

MPN 817808 · Store SKU flo817808

$2,306.95

CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/8/2026, 6:30:12 AM UTC. Adding a part does not reserve it.

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Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

The Flowmaster Outlaw® Cat-back exhaust system for the 2018-2023 Ford Mustang GT 5.0L is perfect for the person looking for a very aggressive exhaust tone inside and outside the vehicle, with all of the performance benefits that you would expect from Flowmaster®. This easy to bolt-on emissions-legal system features dual 3.00-inch stainless steel mandrel-bent tubing and our exclusive Scavenger® Series X-pipe for a deep unique tone and maximum power. Other features include a pair of our race-proven Outlaw Series mufflers finished off with quad 4.00-inch carbon fiber tips for a modern look. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, this system includes all necessary parts, hardware and installation instructions. Notes: This system does not fit models with the Active Performance Exhaust option. Vehicles with the Factory Active Performance Exhaust option will use system #817800. Fits 2018-2023 Mustang GT 5.0L Coupes & Convertibles without Factory Active Performance Exhaust Valves. 3.00-inch with Carbon Fiber Tips - Aggressive sound Flowmaster Outlaw Cat-back Exhaust System

Manufacturer fitment & guides

Check 817808 against the manufacturer’s application information below.

A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.

Part-specific notes

Emissions acknowledgement required before purchase.
California Proposition 65: Y

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What is the return policy?

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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Flowmaster 18-23 Mustang 5.0L 3in. Outlaw Cat-Back Exhaust System (No Valves)

Product details

Manufacturer fitment & guides

Part-specific notes

THE NEXT PART
OF YOUR BUILD.

Free shipping on $100+ orders.

Build with the right brands.

Shop your platform.

Shop by parts section.

Find your next upgrade.

Make the whole setup work.

A few things to know.

Your cart.

Freight & oversized shipping quote

Delivery address