
DynoMax 17556 - Ultra Flo SS Muffler
DynoMax Ultra Flo SS 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! The mufflers have a stainless steel construction and will reist corrosion heat. They come packaged with high chromium content, high lister steel cover and heads.
Key Features:- Ultra Flo SS Muffler
- Direct-Fit
- Oval
- 4.25 in. x 9.75 in.
- 2.5 ID
- 18 in. Shell Length
- 36 in. Overall Length
- Stainless Steel Spouts

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.
No reviews have been found


Year | Make | Model | Submodel | Engine Size | Inlet/Outlet Configuration | Inlet Diameter (in) | Outlet Diameter (in) |
---|---|---|---|---|---|---|---|
2006 | HUMMER | H3 | BASE | 3.5L L5 GAS | Offset/Offset | 2.50" | 4.00" |
2007 - 2009 | HUMMER | H3 | BASE, X | 3.7L L5 GAS | Offset/Offset | 2.50" | 4.00" |
2009 | HUMMER | H3T | BASE | 3.7L L5 GAS | Offset/Offset | 2.50" | 4.00" |