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MagnaFlow Muffler Mag SS 5X8 14 3/2.5

SKU: MAG14221

Mufflers

MAG SS Muffler...

MagnaFlow Muffler Mag SS 5X8 14 3/2.5

SKU: MAG14221

Mufflers

MAG SS Muffler...

A$487.84
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

The MagnaFlow 5 X 8in. Oval Straight-Through Performance Exhaust Muffler 14221 brings our signature sound and dyno-proven performance to your ride with a free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill, and a weight-optimized, reversible 3/2.5in. diameter inlet/outlet Straight-Through layout. Muffler 14221s 5x8x14in. oval-shaped body features a premium, brushed finish for an elevated aesthetic that matches the enhanced exhaust note and performance that this muffler brings to your ride. The universal design allows for flexible placement of 14221 within your exhaust system to meet the specific spacing requirements of your vehicle, although professional installation is highly recommended. 14221 is made of durable, corrosion resistant stainless steel and produced using cutting-edge CNC precision robotic manufacturing techniques, all backed by MagnaFlow's limited lifetime construction warranty.

Product Overview

The MagnaFlow 5 X 8in. Oval Straight-Through Performance Exhaust Muffler 14221 brings our signature sound and dyno-proven performance to your ride with a free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill, and a weight-optimized, reversible 3/2.5in. diameter inlet/outlet Straight-Through layout. Muffler 14221s 5x8x14in. oval-shaped body features a premium, brushed finish for an elevated aesthetic that matches the enhanced exhaust note and performance that this muffler brings to your ride. The universal design allows for flexible placement of 14221 within your exhaust system to meet the specific spacing requirements of your vehicle, although professional installation is highly recommended. 14221 is made of durable, corrosion resistant stainless steel and produced using cutting-edge CNC precision robotic manufacturing techniques, all backed by MagnaFlow's limited lifetime construction warranty.


Features and Benefits

  • Delivers A Smooth-Deep Tone
  • Delivers a Smooth, Deep Tone
  • Mufflers Are Bi-Directional
  • 100 Percent Stainless Steel
  • 100% Stainless Steel

Product Details

Body Diameter:5 x 8
Body Finish:Brushed
Body Height:5.000 in.
Body Length:14.000 in.
Body Material:Stainless Steel
Body Shape:Oval
Body Width:8.000 in.
Core Diameter:2.5
Core Size:2.5
Description:Straight-Through Performance Muffler; 3/2.5in. Center/Dual; 5x14x8 Body
Exhaust Tip Quantity:
Finish:Polished
Hanger Included:No
Inlet Connection Type:Pipe
Inlet Diameter:3
Inlet Inside Diameter:3.000 in.
Inlet Outside Diameter:3.000 in.
Inlet Position:Front
Inlet Quantity:1
Inlet Type:Center
Main Piping Diameter:3.000 in.
Material:Stainless
Muffler Body Diameter:5.000 in. x 8.000 in.
Muffler Configuration:Center/Dual
Muffler Count:1
Muffler Overall Length:20.000 in.
Muffler Type:Straight-Through
Note:Y-Pipe
Outlet Diameter:2.5
Outlet Inside Diameter:2.500 in.
Outlet Outside Diameter:2.500 in.
Outlet Position:Rear
Outlet Quantity:2
Outlet Type:Dual
Overall Length:20
Part Number:mag14221
Prop 65 Y/N:No
Removable Core:No
Reversible:Yes
Series:Straight-Through
Shape:Oval
Subtitle:Performance Muffler
Subtitles:Single/Dual
Tip Quantity:0
Title:MagnaFlow 5 X 8in. Oval Straight-Through Performance Exhaust Muffler 14221
Type:Straight-Through
WARNING CA Proposition 65:No

Part Type

Exhaust Muffler

Data: v4.2 - Upd: 2026-10-13 22:27:41

Features

  • 100 Percent Stainless Steel
  • 100% Stainless Steel
  • Delivers A Smooth-Deep Tone
  • Delivers a Smooth, Deep Tone
  • Mufflers Are Bi-Directional

Specifications

Product Attributes - Brand
MagnaFlow
Product Attributes - Manufacturer's Part Number
14221
Product Attributes - Part Type
Mufflers
Product Attributes - Product Line
MagnaFlow Performance Mufflers
Product Attributes - UPC
841380002181
Product Attributes - Muffler Material
409 stainless steel
Product Attributes - Inlet Diameter (in.)
3.00 in.
Product Attributes - Outlet Diameter (in.)
2.50 in.
Product Attributes - Inlet Quantity
1
Product Attributes - Outlet Quantity
2
Product Attributes - Internal Construction
Perforated stainless tube with packing
Product Attributes - Inlet Location
Center
Product Attributes - Outlet Location
Offset
Product Attributes - Case Shape
Oval
Product Attributes - Reversible
No
Product Attributes - Muffler Finish
Natural
Product Attributes - Case Exterior Length (in.)
14.00 in.
Product Attributes - Overall Length (in.)
20.00 in.
Product Attributes - Thickness (in.)
5.000
Product Attributes - Width (in.)
8.000 in.
Product Attributes - Outlet Style
Standard, without tip
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Reversible for custom installation.

Reference Information

Brand Name/s Magnaflow
StreetFX SKU mag14221
SFX Item ID 4286041
Supplier Item Code 4286041
Manufacturer SKU 14221
Manufacturer UPC 841380002181
Alternative References mpe-14221, MFL14221, 5X8

Brochures

Compatibility

Application Data
  • UniversalNo
    MakeCHEVROLET
    ModelC1500
    SubmodelCHEYENNE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    DrivetrainRWD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelC1500
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    DrivetrainRWD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelC1500
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    DrivetrainRWD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelC1500
    SubmodelWT
    Beginning Year1990
    Ending Year1993
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    DrivetrainRWD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelC2500
    SubmodelCHEYENNE
    Beginning Year1988
    Ending Year1993
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    DrivetrainRWD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelC2500
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1992
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    DrivetrainRWD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelC2500
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1993
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    DrivetrainRWD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelK1500
    SubmodelCHEYENNE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelK1500
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelK1500
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelK1500
    SubmodelSPORT
    Beginning Year1991
    Ending Year1991
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelK1500
    SubmodelWT
    Beginning Year1990
    Ending Year1993
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelK2500
    SubmodelCHEYENNE
    Beginning Year1988
    Ending Year1993
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelK2500
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1992
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelK2500
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1993
    Engine TypeV8
    Liter5.7
    CID350
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Drivetrain4WD
    Engine VIN CodeK
  • UniversalNo
    MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelBASE
    Beginning Year2003
    Ending Year2003
    Engine TypeV8
    Liter5.3
    CID325
    CC5328
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Drivetrain4WD
    Engine VIN CodeZ
  • UniversalNo
    MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelBASE
    Beginning Year2003
    Ending Year2003
    Engine TypeV8
    Liter5.3
    CID325
    CC5328
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Drivetrain4WD
    Engine VIN CodeT
  • UniversalNo
    MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelBASE
    Beginning Year2003
    Ending Year2003
    Engine TypeV8
    Liter5.3
    CID325
    CC5328
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    DrivetrainRWD
    Engine VIN CodeZ
  • UniversalNo
    MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelBASE
    Beginning Year2003
    Ending Year2003
    Engine TypeV8
    Liter5.3
    CID325
    CC5328
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    DrivetrainRWD
    Engine VIN CodeT
  • UniversalNo
    MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelBASE
    Beginning Year2003
    Ending Year2004
    Engine TypeV6
    Liter4.3
    CID262
    Engine FamilyGM V6
    Engine Size4.3L/262
    Drivetrain4WD
    Engine VIN CodeX
  • UniversalNo
    MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelBASE
    Beginning Year2003
    Ending Year2004
    Engine TypeV6
    Liter4.3
    CID262
    Engine FamilyGM V6
    Engine Size4.3L/262
    DrivetrainRWD
    Engine VIN CodeX
  • UniversalNo
    MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelBASE
    Beginning Year2003
    Ending Year2004
    Engine TypeV8
    Liter4.8
    CID294
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Drivetrain4WD
    Engine VIN CodeV
  • UniversalNo
    MakeCHEVROLET
    ModelSILVERADO 1500
    SubmodelBASE
    Beginning Year2003
    Ending Year2004
    Engine TypeV8
    Liter4.8
    CID294
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    DrivetrainRWD
    Engine VIN CodeV
  • UniversalNo
    MakeCHEVROLET
    ModelSILVERADO 1500 CLASSIC
    SubmodelHYBRID
    Beginning Year2007
    Ending Year2007
    Engine TypeV8
    Liter5.3
    CID325
    CC5328
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size5.3L/325
    Drivetrain4WD
    Engine VIN CodeT
  • UniversalNo
    MakeCHEVROLET
    ModelSILVERADO 1500 CLASSIC
    SubmodelHYBRID
    Beginning Year2007
    Ending Year2007
    Engine TypeV8
    Liter5.3
    CID325
    CC5328
    Engine FamilyGM Gas/Electric hybrid V8
    Engine Size5.3L/325
    DrivetrainRWD
    Engine VIN CodeT

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