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2021, 2020, 2019, 2018 Ford Mustang Exhaust System Kit
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2018 - 2021 Ford Mustang Exhaust System Kit (Flowmaster) NEW

Out of Stock
$ 2,161 .26

Product Notes

Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw Mufflers/4 in. Quad Carbon Fiber Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant Does Not Fit Active Performance Exhaust
Outlaw Series™ Cat Back Exhaust System
The Flowmaster Outlaw(R) 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(R). This easy to bolt-on emissions-legal system features dual 3.00-inch stainless steel mandrel-bent tubing and our exclusive Scavenger(R) 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.
Brand: Flowmaster
Condition: New
See Other Ford Mustang Exhaust System Kits
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Specifications & Info


Attribute Value
Catalytic Converter Included No
Exhaust Series Outlaw
Exhaust Type Cat-back
Exit Position Dual Out Rear
Heat Shield Attached No
Muffler Body Length 6.500 In.
Muffler Body Material 409s Stainless Steel
Muffler Color Black
Muffler Count 2
Muffler Finish Painted
Muffler Inlet Location Center
Muffler Outlet Location Center
Muffler Overall Length 49.500 In.
Muffler Part Number Kit Only
Muffler Series Outlaw
Muffler Type Reflection
Sound Level Aggressive
System Type Cat Back
Tip Cut Angle
Tip Edge Style Rolled
Tip Finish Natural
Tip Length 5.250 In.
Tip Logo Printed
Tip Material 304 Stainlesssteel/carbon Fiber
Tip Quantity 4
Tip Shape Round
Tip Type Double Wall
Tubing Material 409s Stainless Steel
WARNING CA Proposition 65 Yes

Vehicle Fitment Guide

This part fits the following vehicles:

Ford 1 model (tapclick to expand)(tapclick to hide)
Mustang 2018-2021 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Bullitt Coupe 2019 - 2020 V8 5.0L RWD Manual
EcoBoost Convertible 2018 - 2021 L4 2.3L Turbo RWD Automatic & Manual
EcoBoost Coupe 2018 - 2021 L4 2.3L Turbo RWD Automatic & Manual
EcoBoost Premium Convertible 2018 - 2021 L4 2.3L Turbo RWD Automatic & Manual
EcoBoost Premium Coupe 2018 - 2021 L4 2.3L Turbo RWD Automatic & Manual
GT Convertible 2019, 2021 V8 5.0L RWD Automatic & Manual
GT Coupe 2018 - 2021 V8 5.0L RWD Automatic & Manual
GT Premium Convertible 2018 - 2021 V8 5.0L RWD Automatic & Manual
GT Premium Coupe 2018 - 2021 V8 5.0L RWD Automatic & Manual
GT V8 Convertible 2019 - 2021 V8 5.0L RWD Automatic & Manual
GT V8 Coupe 2019 - 2021 V8 5.0L RWD Automatic & Manual
Mach 1 Coupe 2021 V8 5.0L RWD Automatic & Manual
Shelby GT350 Coupe 2018 - 2020 V8 5.2L RWD Manual
Shelby GT350R Coupe 2018 - 2020 V8 5.2L RWD Manual
Shelby GT500 Coupe 2020 - 2021 V8 5.2L Supercharged RWD Automatic Dual Clutch
V8 Convertible 2018 V8 5.0L RWD Automatic & Manual
V8 Coupe 2018 V8 5.0L RWD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

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Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
The Flowmaster Outlaw(R) 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(R). This easy to bolt-on emissions-legal system features dual 3.00-inch stainless steel mandrel-bent tubing and our exclusive Scavenger(R) 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 Years: 2018 2019 2020 2021

Fits Models: Mustang

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