Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.
| Download Name | File Size |
| fm_warranty_general.pdf | 88.58KB |
| 817748_instructions.pdf | 928.13KB |
| Make | Model | Submodel | Years | Engine | Fitment Notes |
| Ford | Mustang | EcoBoost Premium | 2015 | 2.3L / 140 / L4 | Fits Convertible and Fastback |
| Ford | Mustang | EcoBoost Premium | 2016 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost Premium | 2017 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost Premium | 2018 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost Premium | 2019 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost Premium | 2020 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost Premium | 2021 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost Premium | 2022 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost Premium | 2023 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost | 2015 | 2.3L / 140 / L4 | Fits convertible and fastback |
| Ford | Mustang | EcoBoost | 2016 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost | 2017 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost | 2018 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost | 2019 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost | 2020 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost | 2021 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost | 2022 | 2.3L / 140 / L4 | |
| Ford | Mustang | EcoBoost | 2023 | 2.3L / 140 / L4 | |
| Ford | Mustang | V6 | 2015 | 3.7L / 227 / V6 | Fits Convertible and Fastback |
| Ford | Mustang | V6 | 2016 | 3.7L / 227 / V6 | |
| Ford | Mustang | 2017 | 3.7L / 227 / V6 |
| 2WD/4WD | RWD |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds), Nickel (Metallic) |
| California Proposition 65 Required | Yes |
| Catalytic Converter Included | No |
| Color | Black |
| Emission Code | 5 |
| Exhaust Series | American Thunder |
| Exit Position | Dual Out Rear |
| Heat Shield | No |
| Inlet Diameter (in) | 3 |
| Material | 409 Stainless Steel |
| Mount Type | Flanged |
| Muffler Part Number | Kit Only |
| Muffler Quantity | 2 |
| Muffler Series | Super 10 Series |
| Muffler Type | Welded Baffle |
| Outlet Diameter (in) | 3 |
| Part Type | Exhaust System Kit |
| Product Type | Exhaust System |
| Proposition 65 | www.P65Warnings.ca.gov |
| Shape | Oval |
| Single Dual | Dual |
| Sound Level | Aggressive / Moderate |
| System Type | Axle-back |
| Tip Cut | Angle |
| Tip Diameter (in) | 4 |
| Tip Edge Style | Cut |
| Tip Finish | Polished |
| Tip Length (in) | 5.25 |
| Tip Logo | Embossed |
| Tip Material | Stainless Steel |
| Tip Quantity | 2 |
| Tip Shape | Round |
| Tubing Diameter (in) | 3 |
| Tubing Material | Stainless Steel |
| Warranty | Limited Lifetime (Lifetime) |
