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MagnaFlow Muff GP 4 Dia 26inch 2.5/2.5

SKU: MAG18146

Mufflers

MAG Glasspack Muffler...

MagnaFlow Muff GP 4 Dia 26inch 2.5/2.5

SKU: MAG18146

Mufflers

MAG Glasspack Muffler...

A$249.27
Available from MFR. In stock at 2 locations (more than 10 available)

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Description

Muffler - Glass Pack - 2.5 in Center Inlet - 2.5 in Center Outlet - 26 x 4 in Round Body - 30 in Long - Steel - Aluminized - Universal - Each

MagnaFlow Muff GP 4 Dia 26inch 2.5/2.5

The MagnaFlow 4in. Round Glasspack Performance Exhaust Muffler 18146 enhances your ride with the deep, classic sound that glasspack mufflers are known for. The round muffler body features a free-flowing reversible straight-through 2.5/2.5in. diameter configuration and single stage packing with a satin finish. This weight-optimized glasspack muffler is engineered to bring out the inner hot rod in your ride with plenty of volume and dyno-proven performance, so please check to ensure compliance with local noise regulations. 18146 offers flexibility when it comes to installation thanks to its universal design, however, professional installation is recommended. Muffler 18146 is made of corrosion resistant aluminized steel and produced using CNC precision robotic manufacturing techniques, all backed by MagnaFlow's 90-day limited construction warranty.

Additional Information

Magnaflow Glasspack Performance Muffler; 2.5in. Center/Center; 4x26x4 Body

Part Type

Exhaust Muffler


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 05:04:58

Data: v4.2 - Upd: 2026-11-08 18:36:41

Features

  • Anti-Corrosive Aluminized Body
  • Dyno Proven
  • Straight-Through Performance Design

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

Product Details

Body Diameter:4 x 4
Body Finish:Aluminized
Body Height:4.000 in.
Body Length:26.000 in.
Body Material:Aluminized
Body Shape:Round
Body Width:4.000 in.
Core Diameter:2.5
Core Size:2.5
Description:Glasspack Performance Muffler; 2.5in. Center/Center; 4x26x4 Body
Finish:Aluminized
Hanger Included:No
Inlet Connection Type:Pipe
Inlet Diameter:2.5
Inlet Inside Diameter:2.500 in.
Inlet Outside Diameter:2.500 in.
Inlet Position:Center
Inlet Quantity:1
Inlet Type:Center
Main Piping Diameter:2.500 in.
Material:Aluminized
Muffler Body Diameter:4.000 in. x 4.000 in.
Muffler Configuration:Center/Center
Muffler Count:1
Muffler Overall Length:30.000 in.
Muffler Type:Glass Pack
Outlet Diameter:2.5
Outlet Inside Diameter:2.500 in.
Outlet Outside Diameter:2.500 in.
Outlet Position:Center
Outlet Quantity:1
Outlet Type:Center
Overall Length:30
Part Number:mag18146
Removable Core:No
Reversible:Yes
Series:Glasspack
Shape:Round
Subtitle:Performance Muffler
Subtitles:Center/Center
Tip Quantity:0
Title:MagnaFlow 4in. Round Glasspack Performance Exhaust Muffler 18146
Type:Glasspack

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Magnaflow, MagnaFlow Exhaust Products, MAGNAFLOW PERF EXHAUST, Magnaflow Performance
StreetFX SKU mag18146
SFX Item ID 4286205
Accounting SKU mag-18146
Manufacturer SKU 18146
Manufacturer UPC 841380054951
Alternative References 18146, MFL18146, MPE-18146

Muffler, Glasspack, Steel, Aluminized, 2.50 in. Inlet/2.50 in. Outlet, 26 in. Length, Each

MagnaFlow glasspack mufflers feature a free-flowing, straight-through, perforated core and non-fiberglass acoustic packing material. They deliver a smooth, deep tone to your rat rod, street/strip machine, or classic musclecar. These exhausts are built from 100 percent aluminized steel with precision robotic CNC welding. Order the model with the inlet/outlet diameters and overall length needed for your application.

Product Attributes
BrandMagnaFlow
Manufacturer's Part Number18146
Part TypeMufflers
Product LineMagnaFlow Glasspack Mufflers
UPC841380054951
Muffler MaterialSteel
Inlet Diameter (in.)2.50 in.
Outlet Diameter (in.)2.50 in.
Inlet Quantity1
Outlet Quantity1
Internal ConstructionGlasspack
Inlet LocationCenter
Outlet LocationCenter
Case ShapeRound
ReversibleYes
Muffler FinishAluminized
Case Exterior Length (in.)26.00 in.
Case Outside Diameter (in.)4.00 in.
Overall Length (in.)30.00 in.
Outlet StyleStandard, without tip
RemanufacturedNo
QuantitySold individually.

Manufacturer Attributes
Exhaust Tip Quantity 0
Inlet Quantity 1
Outlet Quantity 1
Inlet Inside Diameter 2.5
Outlet Inside Diameter 2.5
Core Diameter 2.5
Body Length 26
Overall Length 30
Body Height 4
Body Width 4
Body Material Aluminized Steel
Inlet Type Center
Outlet Type Center
Muffler Type Glasspack
Hanger Included No
Shape Round
Reversible Yes
Finish Aluminized
Series Glasspack
Title MagnaFlow 4in. Round Glasspack Performance Exhaust Muffler 18146
Manufacturer Designation Glasspack Performance Muffler; 2.5in. Center/Center; 4x26x4 Body
Product Class Exhaust Muffler
Construction/Type Magnaflow Glasspack Performance Muffler; 2.5in. Center/Center; 4x26x4 Body
Product Outline Straight-through performance design
Anti-corrosive aluminized body
Dyno Proven
Vehicle Brief Exhaust Muffler
Market Description The MagnaFlow 4in. Round Glasspack Performance Exhaust Muffler 18146 enhances your ride with the deep, classic sound that glasspack mufflers are known for. The round muffler body features a free-flowing reversible straight-through 2.5/2.5in. diameter configuration and single stage packing with a satin finish. This weight-optimized glasspack muffler is engineered to bring out the inner hot rod in your ride with plenty of volume and dyno-proven performance, so please check to ensure compliance with local noise regulations. 18146 offers flexibility when it comes to installation thanks to its universal design, however, professional installation is recommended. Muffler 18146 is made of corrosion resistant aluminized steel and produced using CNC precision robotic manufacturing techniques, all backed by MagnaFlow's 90-day limited construction warranty.

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