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Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12518409 Muffler, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Each

SKU: FLO12518409

Mufflers

Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12518409 Muffler, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Each

SKU: FLO12518409

Mufflers
A$567.59
IN STOCK! Est Ship 4-7 days. In stock at 2 locations (more than 10 available)

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Description

Muffler - HP-2 - 2.5 in Center Inlet - 2.5 in Center Outlet - 18 x 5 x 4 in Oval Body - 24 in Long - Stainless - Black Paint - Universal - Each


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

Data: v4.2 - Upd: 2026-11-11 03:04:25

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 flo12518409
SFX Item ID 4984133
Accounting SKU flo-12518409
Manufacturer SKU 12518409
Manufacturer UPC 700042030248
Alternative References 12518409, FLM12518409, FLO-12518409

Muffler, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Black, Each

These Super HP-2 mufflers from Flowmaster are designed for use with street rods, customs, and sport trucks. They feature stainless steel construction with an internal, layered-laminar jet engine gas flow design that uses guided sound control with broadband sound cancellation for a mellow '50s tone. These mufflers support up to 400 HP, while delivering outstanding looks, durability, and sound control.

Product Attributes
BrandFlowmaster
Manufacturer's Part Number12518409
Part TypeMufflers
Product LineFlowmaster Super HP-2 Mufflers
UPC700042030248
Muffler Material409 stainless steel
Inlet Diameter (in.)2.50 in.
Outlet Diameter (in.)2.50 in.
Inlet Quantity1
Outlet Quantity1
Electronic ValveNo
Internal ConstructionPerforated tube
Inlet LocationCenter
Outlet LocationCenter
Case ShapeOval
ReversibleNo
Muffler ColorBlack
Case Exterior Length (in.)18.00 in.
Overall Length (in.)24.00 in.
Thickness (in.)4.000
Width (in.)5.500 in.
Outlet StyleStandard, without tip
RemanufacturedNo
QuantitySold individually.
NotesT-409 stainless steel

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