Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Your cart
-
0-9
-
A
-
B
-
R
-
S
Magnaflow
MagnaFlow 12590 Performance Muffler 5x11in Oval Stainless Steel 3in Dual/Center
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
The MagnaFlow 12590 Performance Exhaust Muffler is a universal, 100% stainless steel solution engineered for maximum flow and a signature deep, smooth exhaust note. This 5x11-inch oval muffler features a 22-inch body length and a straight-through perforated stainless steel core wrapped in a combination of stainless steel mesh and acoustic fiber fill. This design effectively minimizes restrictive backpressure while maintaining sound quality for high-performance applications.
- Configuration: 3-inch Dual Inlet / 3-inch Center Outlet
- Body Dimensions: 5in. x 11in. Oval, 22in. Length (28in. Overall Length)
- Construction: Heavy-duty, corrosion-resistant stainless steel with a satin finish
- Performance: Bi-directional, reversible straight-through core for versatile installation
- Manufacturing: CNC precision robotic welding for high-tolerance durability
- Part Number: 12590
Designed for custom exhaust builds, this universal muffler is backed by MagnaFlow’s limited lifetime construction warranty. Professional installation is recommended to ensure proper fitment and alignment within your vehicle's exhaust system.
Choose your Location
-
Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
Product Comparison
How they are Different
|
__ __ |
|
|---|---|
| Description |
Description - __ |
| Rating |
Rating - __ |
| Vendor |
Vendor - __ |
| Color |
Color - __ |
|
|
Compare products ( / )
The Atlus Price Guarantee
If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom right of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
MagnaFlow 12590 Performance Muffler 5x11in Oval Stainless Steel 3in Dual/Center
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
Price Match
Our prices are updated daily to ensure we can offer you the best possible price. In the unlikely case that you have found a lower price, please contact us at hello@atlusauto.com and we'll do our best to answer your query right away!
Easy Financing
We've partnered up with Affirm/Shop!
Why use Affirm/Shop?
- Clear application process
- Friendly support team
- Spread a big payment interest-free
- Ability to buy what you want
How does it work?
- Add your purchase to cart
- Select Shop Payments at checkout
- Complete the application
- Compare any available finance options
Share:
The MagnaFlow 12590 Performance Exhaust Muffler is a universal, 100% stainless steel solution engineered for maximum flow and a signature deep, smooth exhaust note. This 5x11-inch oval muffler features a 22-inch body length and a straight-through perforated stainless steel core wrapped in a combination of stainless steel mesh and acoustic fiber fill. This design effectively minimizes restrictive backpressure while maintaining sound quality for high-performance applications.
- Configuration: 3-inch Dual Inlet / 3-inch Center Outlet
- Body Dimensions: 5in. x 11in. Oval, 22in. Length (28in. Overall Length)
- Construction: Heavy-duty, corrosion-resistant stainless steel with a satin finish
- Performance: Bi-directional, reversible straight-through core for versatile installation
- Manufacturing: CNC precision robotic welding for high-tolerance durability
- Part Number: 12590
Designed for custom exhaust builds, this universal muffler is backed by MagnaFlow’s limited lifetime construction warranty. Professional installation is recommended to ensure proper fitment and alignment within your vehicle's exhaust system.
Authencity Guaranteed
We only sell authentic products from verified brand partners and retail partners globally.
Can’t Find the Part You Need?
Our catalog represents only a portion of the automotive products available through our supplier network. If you cannot find a specific part, brand, or application on our website, submit a request below, and our team will help source it for you.
Please include as much information as possible, such as your vehicle's year, make, model, trim, engine, desired brand, or part number, to help us quickly identify the correct product.
- Choosing a selection results in a full page refresh.
- Opens in a new window.
