
DynoMax 17571 - Ultra Flo Welded Muffler
DynoMax Ultra Flo Welded Mufflers have a straight-through design and feature a larger internal pass tube with large perforations to absorb sounds while retaining smooth flow. A stainless steel mesh and a continous roving fiberglass mat are heat resistant and will be very effective in deadening excessive sound!
Key Features:- Ultra Flo Welded Muffler
- Direct Fit
- 2.5 in. ID
- 3.5 in. OD
- Oval
- LH(Driver) Side
- 4.5 inx9.75 in
- 14 in Shell Length
- 34.25 in Overall Length
- 409 Stainless Steel

DynoMax Performance Exhaust is one of the major market leaders in the aftermarkets autoparts industry. The company manufactures a wide range of premium exhaust products which maximize performance and improve sound. They also offer an extensive collection of performance and replacement exhaust pipes, bends, crossover pipes, cutouts, reducers, mounting hardware and other exhaust accessories.
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Year | Make | Model | Submodel | Engine Size | Inlet/Outlet Configuration | Inlet Diameter (in) | Outlet Diameter (in) |
---|---|---|---|---|---|---|---|
2005 - 2006 | FORD | MUSTANG | BASE, GT | 4.0L V6 GAS, 4.6L V8 GAS | Offset/Offset | 2.50" | 3.50" |
2007 | FORD | MUSTANG | BASE, GT, SHELBY GT, SHELBY GT500 | 4.0L V6 GAS, 4.6L V8 GAS, 5.4L V8 GAS | Offset/Offset | 2.50" | 3.50" |
2008 | FORD | MUSTANG | BASE, BULLITT, GT, SHELBY GT, SHELBY GT500 | 4.0L V6 GAS, 4.6L V8 GAS, 5.4L V8 GAS | Offset/Offset | 2.50" | 3.50" |
2009 | FORD | MUSTANG | BASE, BULLITT, GT, SHELBY GT500 | 4.0L V6 GAS, 4.6L V8 GAS, 5.4L V8 GAS | Offset/Offset | 2.50" | 3.50" |