“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 in...”
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Product information
Manufacturer information. Check the part number and installation requirements for your vehicle.
Supplier details checked 2026-09-23 · Test catalog
Product description
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
Features
Not For Vehicles With Active Exhaust Valves
Very Aggressive Interior & Exterior Sound
Our Exclusive Scavenger Series X-Pipe
Dyno-Tuned for Maximum Performance
Full Stainless Steel Construction
Quad 4.00-inch Carbon Fiber Tips
Lifetime Limited Warranty
Flowmaster Quality
Manufacturer notes
Fits 2018-2023 Mustang GT 5.0L Coupes & Convertibles without Factory Active Performance Exhaust Valves.
Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Catback
UPC / barcode
700042037636
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
No
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No
More manufacturer information
Other product descriptions
Flowmaster 18-23 Mustang 5.0L 3in. Outlaw Cat-Back Exhaust System (No Valves)
1823 MUSTANG 50L CB OTL 3 NO VALVES
SYS 18-23 MUSTANG 5.
About the manufacturer
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.
Additional manufacturer information
SYS 18-23 MU
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