Flowmaster introduces our Flow FX stainless steel axle-back exhaust system for the 2011-2014 Ford Mustang with the 3.7-liter engine. This system uses a Flow FX series muffler for a moderate to mild sound level and increased performance. Mandrel bent 2.5-inch 409 stainless steel tubing allows for maximum exhaust flow and durability. The system uses larger 4.00-inch black ceramic-coated stainless steel tips for a custom look. Max dyno gains of 7 hp and 6 lb-ft at the rear wheels over stock. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.
| Brand |
Flowmaster |
| Brand |
Flowmaster |
| California Proposition 65 |
Yes |
| California Proposition 65 |
Yes |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| California Proposition 65 Chemical Name |
Nickel (Metallic) |
| California Proposition 65 Chemical Name |
Nickel (Metallic) |
| CARB (California) Compliant |
Yes |
| CARB (California) Compliant |
Yes |
| Catalytic Converter Included |
No |
| Catalytic Converter Included |
No |
| 2874 |
0 |
| 2874 |
0 |
| Category |
Exhaust |
| Category |
Exhaust |
| 3728 |
Flat Band |
| 3728 |
Flat Band |
| 1882 |
Yes |
| 1882 |
Yes |
| Emission Code |
5 |
| Emission Code |
5 |
| Exhaust Series |
FlowFX |
| Exhaust Series |
FlowFX |
| 11205 |
Black |
| 11205 |
Black |
| 9874 |
Clamp-On |
| 9874 |
Clamp-On |
| 9876 |
Angled |
| 9876 |
Angled |
| 1162 |
4.00 |
| 1162 |
4.00 |
| 9877 |
Rolled Edge |
| 9877 |
Rolled Edge |
| 1163 |
Black Ceramic Coating |
| 1163 |
Black Ceramic Coating |
| 9881 |
No |
| 9881 |
No |
| 10104 |
7.50 |
| 10104 |
7.50 |
| 1164 |
304 Stainless Steel |
| 1164 |
304 Stainless Steel |
| 1161 |
2 |
| 1161 |
2 |
| 9878 |
No |
| 9878 |
No |
| 10980 |
Round |
| 10980 |
Round |
| 9875 |
Single Wall |
| 9875 |
Single Wall |
| 9870 |
Dual Out Rear |
| 9870 |
Dual Out Rear |
| 200 |
Natural |
| 200 |
Natural |
| 353 |
No |
| 353 |
No |
| 3390 |
Performance |
| 3390 |
Performance |
| 4364 |
Yes |
| 4364 |
Yes |
| 596 |
Clamp-On |
| 596 |
Clamp-On |
| 9871 |
2.50 |
| 9871 |
2.50 |
| Mount Type |
Uses Factory Hangers |
| Mount Type |
Uses Factory Hangers |
| 92 |
No |
| 92 |
No |
| 11021 |
4.00 |
| 11021 |
4.00 |
| 11022 |
14.00 |
| 11022 |
14.00 |
| 11023 |
4.00 |
| 11023 |
4.00 |
| 11064 |
Absorption |
| 11064 |
Absorption |
| 11048 |
4.00 |
| 11048 |
4.00 |
| 11049 |
14.00 |
| 11049 |
14.00 |
| 11050 |
4.00 |
| 11050 |
4.00 |
| 11073 |
Absorption |
| 11073 |
Absorption |
| 4371 |
4.00 |
| 4371 |
4.00 |
| 1892 |
14.00 |
| 1892 |
14.00 |
| 4372 |
409 Stainless Steel |
| 4372 |
409 Stainless Steel |
| 4373 |
Round |
| 4373 |
Round |
| Muffler Color |
Silver |
| Muffler Color |
Silver |
| 9882 |
Natural |
| 9882 |
Natural |
| 4367 |
No |
| 4367 |
No |
| 4368 |
No |
| 4368 |
No |
| Muffler Included |
Yes |
| Muffler Included |
Yes |
| 4365 |
2.50 |
| 4365 |
2.50 |
| Muffler Inlet Location |
Center |
| Muffler Inlet Location |
Center |
| 4366 |
2.63 |
| 4366 |
2.63 |
| Muffler Outlet Diameter |
2.50 |
| Muffler Outlet Diameter |
2.50 |
| Muffler Outlet Location |
Center |
| Muffler Outlet Location |
Center |
| 4375 |
1 |
| 4375 |
1 |
| Muffler Overall Length |
27.25 |
| Muffler Overall Length |
27.25 |
| Muffler Part Number |
Kit Only |
| Muffler Part Number |
Kit Only |
| 4374 |
2 |
| 4374 |
2 |
| Muffler Series |
FlowFX |
| Muffler Series |
FlowFX |
| 1174 |
Absorption |
| 1174 |
Absorption |
| part type |
Exhaust System |
| part type |
Exhaust System |
| 3530 |
409 Stainless Steel |
| 3530 |
409 Stainless Steel |
| Product Type |
Exhaust System |
| Product Type |
Exhaust System |
| Sound Level |
Moderate/Mild |
| Sound Level |
Moderate/Mild |
| 4377 |
No |
| 4377 |
No |
| Sub Category |
Exhaust and Tail Pipes |
| Sub Category |
Exhaust and Tail Pipes |
| 4369 |
2.50 |
| 4369 |
2.50 |
| 4376 |
2 |
| 4376 |
2 |
| Tail Pipe Quantity |
Dual |
| Tail Pipe Quantity |
Dual |
| 4370 |
No |
| 4370 |
No |
| Tip Logo |
Embossed |
| Tip Logo |
Embossed |
| Type |
Axle-back |
| Type |
Axle-back |
| 6014 |
No |
| 6014 |
No |
| 2126 |
Not Applicable |
| 2126 |
Not Applicable |
| Warning |
California Proposition 65 |
| Warning |
California Proposition 65 |
| Pipe Color |
Silver |
| Pipe Color |
Silver |
| Description_ABR |
SYS 11-14 FO |
| Description_SHO |
SYS 11-14 FORD MUSTA |
| Description_INV |
11-14 FORD MUSTANG V6 FFX AB DOR |
| Description_DES |
Flowmaster Flow FX Axle-Back Exhaust System |
| Description_EXT |
Fits 2011-2014 Ford Mustang 3.7-liter, Flow FX Axle-Back 2.5-inch Stainless Steel Exhaust System, 4.0-inch Black Ceramic Tips, Dual Out Rear Exit |
| Description_MKT |
Flowmaster introduces our Flow FX stainless steel axle-back exhaust system for the 2011-2014 Ford Mustang with the 3.7-liter engine. This system uses a Flow FX series muffler for a moderate to mild sound level and increased performance. Mandrel bent 2.5-inch 409 stainless steel tubing allows for maximum exhaust flow and durability. The system uses larger 4.00-inch black ceramic-coated stainless steel tips for a custom look. Max dyno gains of 7 hp and 6 lb-ft at the rear wheels over stock. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty. |
| Description_FAB |
FlowFX Series performance mufflers offers a moderate to mild sound level and increased performance |
| Description_FAB |
409 stainless steel construction delivers extra durability and improved long-term corrosion resistance |
| Description_FAB |
Max dyno gains of 7 hp and 6 lb-ft at the rear wheels |
| Description_FAB |
2.50-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 |
4.00-inch black ceramic-coated stainless steel tips add a custom look to the vehicle |
| Description_FAB |
Uses factory hanger locations for easy installation |
| Description_FAB |
Lifetime Limited Warranty |
| Description_ABR |
SYS 11-14 FO |
| Description_SHO |
SYS 11-14 FORD MUSTA |
| Description_INV |
11-14 FORD MUSTANG V6 FFX AB DOR |
| Description_DES |
Flowmaster Flow FX Axle-Back Exhaust System |
| Description_EXT |
Fits 2011-2014 Ford Mustang 3.7-liter, Flow FX Axle-Back 2.5-inch Stainless Steel Exhaust System, 4.0-inch Black Ceramic Tips, Dual Out Rear Exit |
| Description_MKT |
Flowmaster introduces our Flow FX stainless steel axle-back exhaust system for the 2011-2014 Ford Mustang with the 3.7-liter engine. This system uses a Flow FX series muffler for a moderate to mild sound level and increased performance. Mandrel bent 2.5-inch 409 stainless steel tubing allows for maximum exhaust flow and durability. The system uses larger 4.00-inch black ceramic-coated stainless steel tips for a custom look. Max dyno gains of 7 hp and 6 lb-ft at the rear wheels over stock. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty. |
| Description_FAB |
FlowFX Series performance mufflers offers a moderate to mild sound level and increased performance |
| Description_FAB |
409 stainless steel construction delivers extra durability and improved long-term corrosion resistance |
| Description_FAB |
Max dyno gains of 7 hp and 6 lb-ft at the rear wheels |
| Description_FAB |
2.50-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 |
4.00-inch black ceramic-coated stainless steel tips add a custom look to the vehicle |
| Description_FAB |
Uses factory hanger locations for easy installation |
| Description_FAB |
Lifetime Limited Warranty |
| Year |
Make |
Model |
Submodel |
Notes |
| 2011 |
Ford |
Mustang |
Base |
Black Ceramic Tip Finish,Black Ceramic Tip Finish,Black Ceramic Tip Finish,Black Ceramic Tip Finish |
| 2012 |
Ford |
Mustang |
Base |
Black Ceramic Tip Finish,Black Ceramic Tip Finish,Black Ceramic Tip Finish,Black Ceramic Tip Finish |
| 2013 |
Ford |
Mustang |
Base |
Black Ceramic Tip Finish,Black Ceramic Tip Finish,Black Ceramic Tip Finish,Black Ceramic Tip Finish |
| 2014 |
Ford |
Mustang |
Base |
Black Ceramic Tip Finish,Black Ceramic Tip Finish,Black Ceramic Tip Finish,Black Ceramic Tip Finish |
| 2012,2014 |
Ford |
Mustang |
ST |
Black Ceramic Tip Finish,Black Ceramic Tip Finish |
