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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 |
| FM_Warranty_General.pdf | 88.58KB |
| 817817_instructions.pdf | 2.58MB |
| Make | Model | Submodel | Years | Fitment Notes |
| Ford | Mustang | Bullitt | 2019 | 2.5 in.; 409 Stainless Steel;50 State Legal/California Emissions Compliant |
| Ford | Mustang | GT Premium | 2018 | 2.5 in.; 409 Stainless Steel;50 State Legal/California Emissions Compliant |
| Ford | Mustang | GT | 2018 - 2020 | 2.5 in.; 409 Stainless Steel;50 State Legal/California Emissions Compliant |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| California Proposition 65 Chemical Name 1 | Nickel (Metallic) |
| California Proposition 65 Chemical Name 2 | Chromium (hexavalent compounds) |
| California Proposition 65 Required | Yes |
| Catalytic Converter Included | No |
| Emission Code | 5 |
| Heat Shield | No |
| Heat Shield Attached | No |
| Mount Type | Uses Factory Hangers |
| Muffler Count | None |
| Muffler Quantity | None |
| Part Type | Exhaust Crossover Pipe |
| Single Dual | Dual |
| Single or Dual | Dual |
| System Type | Exhaust Accessory |
| Tip Quantity | 0 |
| Tip Style | Not Included |
| Tip Type | Not Included |
| Tube Diameter | 2-1/2 Inch |
| Tubing Diameter | 2.500 in. |
| Tubing Diameter (in) | 2.5 |
| Tubing Material | 409S Stainless Steel |
| WARNING CA Proposition 65 | WARNING: Cancer and Reproductive Harm |
| Warranty | Limited Lifetime (Lifetime) |
