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Vehicle Info NeededFLOWMASTERPART NUMBER: 389-942443
40 Series Delta Flow Muffler Offset In/Offset Out: 2.25"
$16095
Ships on 09/04/2026
Lowest Price Guarantee
Offset In/Offset Out
- 40 Series Delta Flow Muffler
- Offset In/Offset Out: 2.25"
- Aluminized Steel
Universal Muffler - Not a direct fit. Some adaptation required. - Durable Fully Welded 16ga Aluminized Steel
- 3 Year Limited Warranty
- Mild to Moderate Exterior Exhaust Tone
- Minimal Interior Resonance
- Excellent Choice For Street Rods Cars and Trucks
- Improved HP/TQ and Potential Mileage Improvement
- Race Proven Patented Delta Flow Technology
- www.Flowmastermufflers.com
Part TypeMuffler
BrandFLOWMASTER
Package Height4.7
Package Width10.0
Package Length20.4
Weight10.9 PG
Part CategoryPerformance Parts
ShapeOval
Exhaust Tip Quantity0
Outlet Quantity1
Inlet LocationOffset
Muffler TypeChambered
Inlet PositionOffset
Inlet TypeWeld-On
Inlet Size (In.)2.25
Heat Shield AttachedNo
Outlet StyleStandard, without tip
Muffler FinishAluminized
Body Length13 in.
Muffler Count1
Inlet Outside Diameter2.38 in.
Inlet Diameter2.25 in.
Clamps IncludedNo
Inlet Quantity1
Sound LevelAggressive
FinishHigh-Temperature Paint
Outlet Outside Diameter2.38 in.
Muffler MaterialSteel
ReversibleNo
Universal Or Specific FitUniversal
Outlet Size2.25 in (57.2 mm)
Hanger IncludedNo
Inlet Connection TypePipe Connection
Outlet Diameter2.25 in (57.2 mm)
ColorBlack
Muffler Series40 Series Delta Flow
TunableNo
QuantitySold individually
Overall Length19 in.
MaterialAluminized Steel
Case Length13 in (330.2 mm)
Internal ConstructionChambered
Case ShapeOval
Body Width9.75 in.
Outlet Inside Diameter2.25 in.
Body MaterialAluminized Steel
Inlet Inside Diameter2.25 in.
Outlet LocationOffset
FitmentUniversal
Body Height4 in.
Outlet TypeSingle Offset Outlet
Part FitmentSemi Universal
Outlet PositionOffset
Vendor Part Number942443
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
