The Flowmaster Outlaw® Cat-back exhaust system for the 2024-2026 Ford Mustang GT 5.0-liter 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 3.0-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 black ceramic coated 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. This system does not fit models with the Active Performance Exhaust option. Fits both coupes and convertibles. Backed by Flowmaster's Lifetime Limited Warranty.
| Brand |
Flowmaster |
| California Proposition 65 |
Yes |
| California Proposition 65 Chemical Name |
Nickel (Metallic) |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| CARB (California) Compliant |
Yes |
| Catalytic Converter Included |
No |
| 2874 |
0 |
| Category |
Exhaust |
| 3728 |
Flat Band |
| 1882 |
Yes |
| Emission Code |
5 |
| Exhaust Series |
Outlaw |
| 11205 |
Black |
| 9874 |
Welded |
| 9876 |
Angled |
| 1162 |
4.00 |
| 9877 |
Angle Cut |
| 1163 |
Black Ceramic Coating |
| 9881 |
No |
| 10104 |
5.25 |
| 1164 |
304 Stainless Steel |
| 1161 |
2 |
| 9878 |
No |
| 10980 |
Round |
| 9875 |
Double Wall |
| 9870 |
Dual Out Rear |
| 200 |
Natural |
| 353 |
No |
| 3390 |
Performance |
| 4364 |
Yes |
| 596 |
Clamp-On |
| 9871 |
3.00 |
| Mount Type |
Uses Factory Hangers |
| 92 |
No |
| 11021 |
4.00 |
| 11022 |
10.50 |
| 11023 |
4.00 |
| 11064 |
Reflection |
| 11048 |
4.00 |
| 11049 |
10.50 |
| 11050 |
4.00 |
| 11073 |
Reflection |
| 4371 |
4.00 |
| 9884 |
4.00 |
| 1892 |
10.50 |
| 4372 |
409 Stainless Steel |
| 4373 |
Round |
| Muffler Color |
Black |
| 9882 |
Black High-Temperature Paint Finish |
| 4367 |
No |
| 4368 |
No |
| Muffler Included |
Yes |
| 9962 |
Slip-Fit |
| 4365 |
3.00 |
| Muffler Inlet Location |
Center |
| 4366 |
3.13 |
| 9963 |
Slip-Fit |
| Muffler Outlet Diameter |
3.00 |
| Muffler Outlet Location |
Center |
| 4375 |
1 |
| Muffler Overall Length |
16.75 |
| Muffler Part Number |
Kit Only |
| 4374 |
2 |
| Muffler Series |
Outlaw |
| 1174 |
Reflection |
| part type |
Exhaust System |
| 3530 |
409 Stainless Steel |
| Product Type |
Exhaust System |
| Sound Level |
Aggressive / Moderate |
| 4377 |
No |
| Sub Category |
Exhaust and Tail Pipes |
| 4369 |
3.00 |
| Tail Pipe Quantity |
Dual |
| 4376 |
2 |
| 4370 |
No |
| Tip Logo |
Embossed |
| 26 |
Cat-Back |
| 6014 |
No |
| 2126 |
Not Applicable |
| Warning |
California Proposition 65 |
| Pipe Color |
Silver |
| 9885 |
4.00 |
| Brand |
Flowmaster |
| California Proposition 65 |
Yes |
| California Proposition 65 Chemical Name |
Nickel (Metallic) |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| CARB (California) Compliant |
Yes |
| Catalytic Converter Included |
No |
| 2874 |
0 |
| Category |
Exhaust |
| 3728 |
Flat Band |
| 1882 |
Yes |
| Emission Code |
5 |
| Exhaust Series |
Outlaw |
| 11205 |
Black |
| 9874 |
Welded |
| 9876 |
Angled |
| 1162 |
4.00 |
| 9877 |
Angle Cut |
| 1163 |
Black Ceramic Coating |
| 9881 |
No |
| 10104 |
5.25 |
| 1164 |
304 Stainless Steel |
| 1161 |
2 |
| 9878 |
No |
| 10980 |
Round |
| 9875 |
Double Wall |
| 9870 |
Dual Out Rear |
| 200 |
Natural |
| 353 |
No |
| 3390 |
Performance |
| 4364 |
Yes |
| 596 |
Clamp-On |
| 9871 |
3.00 |
| Mount Type |
Uses Factory Hangers |
| 92 |
No |
| 11021 |
4.00 |
| 11022 |
10.50 |
| 11023 |
4.00 |
| 11064 |
Reflection |
| 11048 |
4.00 |
| 11049 |
10.50 |
| 11050 |
4.00 |
| 11073 |
Reflection |
| 4371 |
4.00 |
| 9884 |
4.00 |
| 1892 |
10.50 |
| 4372 |
409 Stainless Steel |
| 4373 |
Round |
| Muffler Color |
Black |
| 9882 |
Black High-Temperature Paint Finish |
| 4367 |
No |
| 4368 |
No |
| Muffler Included |
Yes |
| 9962 |
Slip-Fit |
| 4365 |
3.00 |
| Muffler Inlet Location |
Center |
| 4366 |
3.13 |
| 9963 |
Slip-Fit |
| Muffler Outlet Diameter |
3.00 |
| Muffler Outlet Location |
Center |
| 4375 |
1 |
| Muffler Overall Length |
16.75 |
| Muffler Part Number |
Kit Only |
| 4374 |
2 |
| Muffler Series |
Outlaw |
| 1174 |
Reflection |
| part type |
Exhaust System |
| 3530 |
409 Stainless Steel |
| Product Type |
Exhaust System |
| Sound Level |
Aggressive / Moderate |
| 4377 |
No |
| Sub Category |
Exhaust and Tail Pipes |
| 4369 |
3.00 |
| Tail Pipe Quantity |
Dual |
| 4376 |
2 |
| 4370 |
No |
| Tip Logo |
Embossed |
| 26 |
Cat-Back |
| 6014 |
No |
| 2126 |
Not Applicable |
| Warning |
California Proposition 65 |
| Pipe Color |
Silver |
| 9885 |
4.00 |
| Description_ABR |
SYS 24-26 MU |
| Description_SHO |
SYS 24-26 MUSTANG 5. |
| Description_INV |
24-25 MUSTANG 5.0L CB-OTL- NOVLV/BLK TIP |
| Description_ASC |
Will not fit vehicles with Active performance exhaust. (2 exhaust tips per side ) |
| Description_DES |
Flowmaster Outlaw Cat-Back Exhaust System |
| Description_EXT |
Fits 2024-2026 Ford Mustang GT 5.0-liter, Outlaw Cat-Back 3.0-inch Stainless Steel Exhaust System, 4.0-inch Dual Black Tips |
| Description_MKT |
The Flowmaster Outlaw® Cat-back exhaust system for the 2024-2026 Ford Mustang GT 5.0-liter 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 3.0-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 black ceramic coated 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. This system does not fit models with the Active Performance Exhaust option. Fits both coupes and convertibles. Backed by Flowmaster's Lifetime Limited Warranty. |
| Description_FAB |
Max increases of up to 18 hp and 18 lb-ft over the stock exhaust at the rear wheels |
| Description_FAB |
Outlaw series performance muffler offers a deep powerful sound and increased performance |
| Description_FAB |
409 stainless steel construction delivers extra durability and improved long-term corrosion resistance |
| Description_FAB |
Uses factory hanger locations for easy installation |
| Description_FAB |
3.0-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power |
| Description_FAB |
Includes all necessary hardware for an at home installation |
| Description_FAB |
Dual 4.00-inch black ceramic coated steel tips add a custom look |
| Description_FAB |
Includes Scavenger Series X-Pipe for maximum tone and performance |
| Description_FAB |
Lifetime Limited Warranty |
| Description_ABR |
SYS 24-26 MU |
| Description_SHO |
SYS 24-26 MUSTANG 5. |
| Description_INV |
24-25 MUSTANG 5.0L CB-OTL- NOVLV/BLK TIP |
| Description_ASC |
Will not fit vehicles with Active performance exhaust. (2 exhaust tips per side ) |
| Description_DES |
Flowmaster Outlaw Cat-Back Exhaust System |
| Description_EXT |
Fits 2024-2026 Ford Mustang GT 5.0-liter, Outlaw Cat-Back 3.0-inch Stainless Steel Exhaust System, 4.0-inch Dual Black Tips |
| Description_MKT |
The Flowmaster Outlaw® Cat-back exhaust system for the 2024-2026 Ford Mustang GT 5.0-liter 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 3.0-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 black ceramic coated 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. This system does not fit models with the Active Performance Exhaust option. Fits both coupes and convertibles. Backed by Flowmaster's Lifetime Limited Warranty. |
| Description_FAB |
Max increases of up to 18 hp and 18 lb-ft over the stock exhaust at the rear wheels |
| Description_FAB |
Outlaw series performance muffler offers a deep powerful sound and increased performance |
| Description_FAB |
409 stainless steel construction delivers extra durability and improved long-term corrosion resistance |
| Description_FAB |
Uses factory hanger locations for easy installation |
| Description_FAB |
3.0-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power |
| Description_FAB |
Includes all necessary hardware for an at home installation |
| Description_FAB |
Dual 4.00-inch black ceramic coated steel tips add a custom look |
| Description_FAB |
Includes Scavenger Series X-Pipe for maximum tone and performance |
| Description_FAB |
Lifetime Limited Warranty |
| Year |
Make |
Model |
Submodel |
Notes |
| 2024 |
Ford |
Mustang |
Dark Horse |
Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system |
| 2025 |
Ford |
Mustang |
Dark Horse |
Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system |
| 2026 |
Ford |
Mustang |
Dark Horse |
Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system |
| 2024 |
Ford |
Mustang |
Dark Horse Premium |
Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system |
| 2025 |
Ford |
Mustang |
Dark Horse Premium |
Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system |
| 2024 |
Ford |
Mustang |
GT |
Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system |
| 2025 |
Ford |
Mustang |
GT |
Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system |
| 2026 |
Ford |
Mustang |
GT |
Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system |
| 2024 |
Ford |
Mustang |
GT Premium |
Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system |
| 2025 |
Ford |
Mustang |
GT Premium |
Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system |
| 2026 |
Ford |
Mustang |
GT Premium |
Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system,Black Ceramic Tip Finish, Does not fit models with factory valved exhaust system |
