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Vehicle Info NeededDYNOMAXPART NUMBER: 289-17557
Ultra-Flo Welded Muffler Offset In/Out: 4"
$13799
Ships on 09/14/2026
Lowest Price GuaranteeOffset Inlet/Outlet - Body Diameter: 8.25" x 11.5"
- Ultra-Flo Welded Muffler
- Offset In/Out: 4"
- Length: 25" Body, 30" Overall
- Constructed Using All 409 Stainless Steel
- 100 Percent Welded Construction For Lifelong durability
- Unrestricted Straight-Through Design
- Dyno Proven To Flow Up To 2000 SCFM And Support Up To 2000 HP
- Exclusive Continuous Roving Fiberglass Technology
- CRF Technology Absorbs Unwanted Interior Resonance
- Maintains A Deep Performance Tone
- Straight-Through Design Ensures Unrestricted Exhaust Flow
- Re
Part TypeMuffler
BrandDYNOMAX
Package Height9.0
Package Width12.5
Package Length36.0
Weight22.2 PG
Part CategoryPerformance Parts
Outlet Quantity1
Inlet LocationOffset
Muffler TypeAbsorption
Inlet PositionOffset
Inlet TypeSingle Offset Inlet
Inlet Size (In.)4
Outlet StyleStandard, without tip
Muffler FinishNatural
Body Length25 in (635 mm)
Inlet Diameter4 in (101.6 mm)
Inlet QuantityOne
Muffler MaterialStainless steel
Outlet Size4 in (101.6 mm)
PositionN/A
Outlet Diameter4 in (101.6 mm)
QuantitySold individually
Overall Length30 in (762 mm)
MaterialAluminized Steel
Case Length25 in (635 mm)
Internal ConstructionGlass-wrap perforated tube
Case ShapeOval
Body Width11.5 in (292.1 mm)
Outlet LocationOffset
Body Height8.25 in (209.55 mm)
Outlet TypeSingle Offset Outlet
Outlet PositionOffset
Vendor Part Number17557
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
