Filters

Universal
- No (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Muffler Material
- 409 stainless steel (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Steel (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Make/Engine
Drivetrain
- RWD (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4WD (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Diameter (in.)
- 3.50 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 2.50 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outlet Diameter (in.)
- 3.50 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 2.50 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Quantity
- 1 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 2 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outlet Quantity
- 1 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 2 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Overall Length (in.)
- 23.00 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 24.00 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.

Flowmaster 50 Series Heavy-Duty Mufflers

4.48 out of 5 stars 33 Customer Reviews

Flowmaster 50 Series heavy-duty mufflers can deliver more horsepower and increase torque and fuel mileage. Specifically designed for gas and diesel applications, the 50 Series heavy-duty mufflers can significantly improve acceleration and towing power while also increasing fuel economy.