Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededDYNOMAXPART NUMBER: 289-54778
Ultra-Flo Welded Muffler Assembly Offset In/Out: 2.5"
$28799
Ships on 09/15/2026
Lowest Price GuaranteeOffset Inlet/Outlet - Body Diameter: 4.5" x 9.75"
- Ultra-Flo Welded Muffler Assembly
- Offset In/Out: 2.5"
- Length: 10" Body, 40" Overall
- Straight -Through Design
- 100% Aluminized Materials For Long Life
- 100% Welded Construction For Maximum Durability
- Continuous Roving Fiberglass Technology
- Aggressive/Powerful/Deep Performance Sound
Part TypeMuffler
BrandDYNOMAX
Package Height10.0
Package Width10.5
Package Length42.0
Weight18.0 PG
Part CategoryPerformance Parts
Outlet Size2.5 in (63.5 mm)
PositionRear
Outlet Quantity1
Overall Length40 in (1016 mm)
Muffler TypeAbsorption
Material409 Stainless Steel
Inlet PositionCenter
Inlet TypeSingle Center Inlet
Inlet Size (In.)2.5
Body Width9.75 in (247.65 mm)
Body Length10 in (254 mm)
Body Height4.5 in (114.3 mm)
Outlet TypeSingle Center Outlet
Inlet Quantity1
Outlet PositionCenter
Vendor Part Number54778
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
