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MagnaFlow Muffler MAG 409SS 5x11x22 3.5

SKU: MAG12909

Mufflers

MAG SS Muffler

MagnaFlow Muffler MAG 409SS 5x11x22 3.5

SKU: MAG12909

Mufflers

MAG SS Muffler

Sale ends in Calculating...

A$598.49
IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

The MagnaFlow 5 X 11in. Oval Straight-Through Performance Exhaust Muffler 12909 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill. The reversible, universal 3.5/3.5in. diameter inlet/outlet Straight-Through layout allows you to install it in whatever orientation and configuration you see fit. However, professional installation is highly recommended. Muffler 12909s weight-optimized 5x11x22in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12909 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 11in. Oval Straight-Through Performance Exhaust Muffler 12909 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill. The reversible, universal 3.5/3.5in. diameter inlet/outlet Straight-Through layout allows you to install it in whatever orientation and configuration you see fit. However, professional installation is highly recommended. Muffler 12909s weight-optimized 5x11x22in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12909 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 11
Body Finish:Satin
Body Height:5.000 in.
Body Length:22.000 in.
Body Material:Stainless Steel
Body Shape:Oval
Body Width:11.000 in.
Core Diameter:3.5
Core Size:3.5
Description:Straight-Through Performance Muffler; 3.5in. Offset/Center; 5x22x11 Body
Exhaust Tip Quantity:
Finish:Satin
Hanger Included:No
Inlet Connection Type:Pipe
Inlet Diameter:3.5
Inlet Inside Diameter:3.500 in.
Inlet Outside Diameter:3.500 in.
Inlet Position:Front
Inlet Quantity:1
Inlet Type:Center
Main Piping Diameter:3.500 in.
Material:Stainless
Muffler Body Diameter:5.000 in. x 11.000 in.
Muffler Configuration:Center/Offset
Muffler Count:1
Muffler Overall Length:28.000 in.
Muffler Type:Straight-Through
Note:Acoustical Packing
Outlet Diameter:3.5
Outlet Inside Diameter:3.500 in.
Outlet Outside Diameter:3.500 in.
Outlet Position:Rear
Outlet Quantity:1
Outlet Type:Offset
Overall Length:28
Part Number:mag12909
Prop 65 Y/N:No
Removable Core:No
Reversible:Yes
Series:Straight-Through
Shape:Oval
Subtitle:Performance Muffler
Subtitles:Center/Offset
Tip Quantity:0
Title:MagnaFlow 5 X 11in. Oval Straight-Through Performance Exhaust Muffler 12909
Type:Straight-Through
WARNING CA Proposition 65:No

Part Type

Exhaust Muffler

Data: v4.2 - Upd: 2026-10-12 02:42:56

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
12909
Product Attributes - Part Type
Mufflers
Product Attributes - Product Line
MagnaFlow Performance Mufflers
Product Attributes - UPC
841380017666
Product Attributes - Muffler Material
409 stainless steel
Product Attributes - Inlet Diameter (in.)
3.50 in.
Product Attributes - Outlet Diameter (in.)
3.50 in.
Product Attributes - Inlet Quantity
1
Product Attributes - Outlet Quantity
1
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
Yes
Product Attributes - Case Exterior Length (in.)
22.00 in.
Product Attributes - Overall Length (in.)
28.00 in.
Product Attributes - Thickness (in.)
5.000
Product Attributes - Width (in.)
11.000 in.
Product Attributes - Outlet Style
Standard, without tip
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Reversible for custom installation.
Product Attributes - Special Attention
Due to a running change from MagnaFlow the finish of mufflers may vary.

Reference Information

Brand Name/s Magnaflow
StreetFX SKU mag12909
SFX Item ID 4286202
Supplier Item Code 4286202
Manufacturer SKU 12909
Manufacturer UPC 841380017666
Alternative References mpe-12909, MFL12909, 409SS, 5x11x22

Brochures

Compatibility

Application Data
  • UniversalYes

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