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Flowmaster 80 Series Crossflow Steel 2.5 Inch Muffler 42583 Muffler, Series, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

SKU: FLO42583

Mufflers

Flowmaster 80 Series Crossflow Steel 2.5 Inch Muffler 42583 Muffler, Series, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

SKU: FLO42583

Mufflers
A$621.09
LOW STOCK! Est Ship 4-7 days. In stock at 2 locations (more than 10 available)

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Description

Muffler - 80 Series - 2.5 in Offset Inlet - Dual 2.5 in Outlets - 15 x 9.75 x 4 in Oval Body - 21 in Long - Steel - Black Paint - Universal - Each


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 01:10:37

Data: v4.2 - Upd: 2026-11-11 03:04:24

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Flowmaster, Flowmaster (holley)
StreetFX SKU flo42583
SFX Item ID 4983945
Accounting SKU flo-42583
Manufacturer SKU 42583
Manufacturer UPC 700042010363
Alternative References 42583, FLM42583, FLO-42583

Muffler, 80 Series, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Producing an aggressive muscle car sound, the Flowmaster 80 Series crossflow mufflers are specially designed for applications where the muffler must be mounted transversely behind the rear axle. Whether you need to match an OEM exhaust system or are looking for increased ground clearance, these mufflers fit the bill. They are available in your choice of single inlet/dual outlet or dual inlet/dual outlet configurations--order yours today!

Product Attributes
BrandFlowmaster
Manufacturer's Part Number42583
Part TypeMufflers
Product LineFlowmaster 80 Series Crossflow Mufflers
UPC700042010363
Muffler MaterialSteel
Inlet Diameter (in.)2.50 in.
Outlet Diameter (in.)2.50 in.
Inlet Quantity1
Outlet Quantity2
Inlet LocationOffset
Outlet LocationOffset
Case ShapeOval
ReversibleNo
Internal ConstructionChambered
Muffler FinishBlack
Case Exterior Length (in.)15.00 in.
Overall Length (in.)21.00 in.
Thickness (in.)4.000
Width (in.)9.750 in.
Outlet StyleStandard, without tip
RemanufacturedNo
QuantitySold individually.
NotesThis is a crossflow design muffler. It has one inlet and one outlet on one end and one outlet on the other.

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