Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

MagnaFlow Muffler Mag SS 18X5X8 3X2.5/2.5 C/D

SKU: MAG12288

Mufflers

MAG SS Muffler...

MagnaFlow Muffler Mag SS 18X5X8 3X2.5/2.5 C/D

SKU: MAG12288

Mufflers

MAG SS Muffler...

A$447.68
LOW STOCK! Est Ship 3-5 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

The MagnaFlow 5 X 8in. Oval Straight-Through Performance Exhaust Muffler 12288 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 3/2.5in. 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 12288s weight-optimized 5x8x18in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12288 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 12288 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 3/2.5in. 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 12288s weight-optimized 5x8x18in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12288 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:Satin
Body Height:5.000 in.
Body Length:18.000 in.
Body Material:Stainless Steel
Body Shape:Oval
Body Width:8.000 in.
Core Diameter:3
Core Size:3
Description:Straight-Through Performance Muffler; 3/2.5in. Center/Dual; 5x18x8 Body
Exhaust Tip Quantity:
Finish:Satin
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:24.000 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:24
Part Number:mag12288
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 12288
Type:Straight-Through
WARNING CA Proposition 65:No

Part Type

Exhaust Muffler

Data: v4.2 - Upd: 2026-10-15 19:37:40

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
12288
Product Attributes - Part Type
Mufflers
Product Attributes - Product Line
MagnaFlow Performance Mufflers
Product Attributes - UPC
841380001023
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 - Case Exterior Length (in.)
18.00 in.
Product Attributes - Overall Length (in.)
24.00 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
4.00 in. center-to-center spacing on outlets. 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 mag12288
SFX Item ID 4286147
Supplier Item Code 4286147
Manufacturer SKU 12288
Manufacturer UPC 841380001023
Alternative References mpe-12288, MFL12288, 18X5X8, 3X2.5/2.5

Brochures

Compatibility

Application Data
  • UniversalYes

Loading compatibility information...

Keep shopping

More from Magnaflow