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Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12512304 Muffler, Oval, Stainless, Natural, in. Center Inlet/Outlet, 18 in. Overall Length, Each

SKU: FLO12512304

Mufflers

Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12512304 Muffler, Oval, Stainless, Natural, in. Center Inlet/Outlet, 18 in. Overall Length, Each

SKU: FLO12512304

Mufflers
A$616.81
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Resonator - HP-2 - 2.5 in Center Inlet - 2.5 in Center Outlet - 12 x 5 x 4 in Oval Body - 18 in Long - Stainless - Natural - Each


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 01:10:33

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 flo12512304
SFX Item ID 4983916
Accounting SKU flo-12512304
Manufacturer SKU 12512304
Manufacturer UPC 700042030163
Alternative References 12512304, FLM12512304, FLO-12512304

Muffler, Oval, Stainless, Natural, 2.5 in. Center Inlet/Outlet, 18 in. Overall Length, 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 Number12512304
Part TypeMufflers
Product LineFlowmaster Super HP-2 Mufflers
UPC700042030163
Muffler Material304 stainless steel
Inlet Diameter (in.)2.50 in.
Outlet Diameter (in.)2.50 in.
Inlet Quantity1
Outlet Quantity1
Inlet LocationCenter
Outlet LocationCenter
Case ShapeOval
ReversibleNo
Internal ConstructionPerforated tube
Muffler FinishNatural
Case Exterior Length (in.)12.00 in.
Overall Length (in.)18.00 in.
Thickness (in.)4.000
Width (in.)5.500 in.
Outlet StyleStandard, without tip
RemanufacturedNo
QuantitySold individually.
NotesStainless 304S Polishable Case .

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