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Vehicle Info NeededFLOWMASTERPART NUMBER: 389-42582
80 Series Cross-Flow Muffler Dual In/Dual Out: 2.5"
$24995
Ships on 09/09/2026
Lowest Price GuaranteeDual In/Dual Out
- 80 Series Cross-Flow Muffler
- Dual In/Dual Out: 2.5"
- Aluminized Steel
Fits 1962-1974 Camaro/Firebird, Chevy II/Nova - Case: 18" L (4" Thick)
- Overall: 24" L x 9.75" W
Part TypeMuffler
BrandFLOWMASTER
Package Height4.7
Package Width10.2
Package Length25.0
Weight16.02 PG
Part CategoryPerformance Parts
ShapeOval
Exhaust Tip Quantity0
Outlet Quantity2
Inlet LocationDual
Muffler TypeChambered (Transverse)
Inlet PositionFront
Inlet TypeWeld-On
Inlet Size (In.)2.5
Heat Shield AttachedNo
Outlet StyleStandard, without tip
Muffler FinishAluminized
Mount TypeUses New Hangers (Not Included)
Body Length18 in.
Muffler Count1
Inlet Outside Diameter2.63 in.
Inlet Diameter2.50 in.
Clamps IncludedNo
Inlet Quantity2
Sound LevelAggressive
FinishHigh-Temperature Paint
Outlet Outside Diameter2.63 in.
Muffler MaterialSteel
ReversibleNo
Universal Or Specific FitUniversal
Outlet Size2.5 in (63.5 mm)
Hanger IncludedNo
Inlet Connection TypePipe Connection
Outlet Diameter2.5 in (63.5 mm)
ColorBlack
Muffler Series80 Series Crossflow
TunableNo
QuantitySold individually
Overall Length24 in.
MaterialAluminized Steel
Case Length18 in (457.2 mm)
Internal ConstructionChambered
Case ShapeOval
Body Width9.75 in.
Outlet Inside Diameter2.50 in.
Body MaterialAluminized Steel
Inlet Inside Diameter2.50 in.
Outlet LocationDual
FitmentUniversal
Body Height4 in.
Outlet TypeDual
Part FitmentUniversal
Outlet PositionOffset
Vendor Part Number42582
Package Qty1
Package TypeEA
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