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
-
R
-
S
Magnaflow
MagnaFlow 12588 Performance Muffler - 5x11x22in Oval Stainless Steel - 3in Center / 2.5in Dual
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 1996-2016 Cadillac, Chevrolet, Dodge, GMC, Isuzu, Nissan, Ram, and Toyota trucks and SUVs.
The MagnaFlow 12588 Performance Muffler is engineered to reduce backpressure and improve exhaust flow while delivering a signature deep, smooth tone. This universal 5x11-inch oval muffler features a high-flow, straight-through design with a perforated stainless steel core. To ensure long-lasting sound quality and heat management, the core is wrapped in a stainless steel mesh and packed with a dense acoustic fiber fill.
Constructed from 100% corrosion-resistant stainless steel, this muffler is built using CNC precision robotic manufacturing for consistent fitment and durability. The reversible, bi-directional layout allows for versatile installation of the 3-inch and 2.5-inch ports, making it adaptable to various custom exhaust configurations. The body is finished in a clean satin for an upgraded appearance under the vehicle.
- Part Number: 12588
- Body Shape: 5in. x 11in. Oval
- Body Length: 22in.
- Construction: 100% Stainless Steel
- Finish: Satin
- Core Type: Straight-Through Perforated Stainless
- Inlet/Outlet: 3in. and 2.5in. (Reversible/Bi-Directional)
- Manufacturing: CNC Precision Robotic Welds
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2006 | Cadillac | Escalade | Base |
| 2003-2006 | Cadillac | Escalade ESV | Base |
| 2003-2006 | Cadillac | Escalade EXT | Base |
| 2007-2008 | Chevrolet | Suburban 2500 | LS |
| 2007-2008 | Chevrolet | Suburban 2500 | LT |
| 2007 | Chevrolet | Suburban 2500 | LTZ |
| 1996-1999 | Chevrolet | Tahoe | Base |
| 1996-1999 | Chevrolet | Tahoe | LS |
| 1996-1999 | Chevrolet | Tahoe | LT |
| 2008 | Chevrolet | Trailblazer | Base |
| 2002-2007 | Chevrolet | Trailblazer | LS |
| 2002-2009 | Chevrolet | Trailblazer | LT |
| 2002-2003 | Chevrolet | Trailblazer | LTZ |
| 2002-2004 | Chevrolet | Trailblazer | North Face |
| 2003-2006 | Chevrolet | Trailblazer EXT | LS |
| 2002-2006 | Chevrolet | Trailblazer EXT | LT |
| 2002-2004 | Chevrolet | Trailblazer EXT | North Face |
| 2009-2010 | Dodge | Ram 1500 | Laramie |
| 2009-2010 | Dodge | Ram 1500 | SLT |
| 2009-2010 | Dodge | Ram 1500 | Sport |
| 2009-2010 | Dodge | Ram 1500 | ST |
| 2009-2010 | Dodge | Ram 1500 | TRX |
| 2009-2010 | Dodge | Ram 1500 | TRX4 |
| 2004-2009 | GMC | Envoy | SLE |
| 2004-2009 | GMC | Envoy | SLT |
| 1999 | GMC | Yukon | Denali |
| 1996-1997 | GMC | Yukon | SL |
| 1996-1999 | GMC | Yukon | SLE |
| 1996-1999 | GMC | Yukon | SLT |
| 2003-2006 | GMC | Yukon XL 1500 | Denali |
| 2007-2008 | GMC | Yukon XL 2500 | SLE |
| 2007-2008 | GMC | Yukon XL 2500 | SLT |
| 2006 | Isuzu | Ascender | Base |
| 2004-2006 | Isuzu | Ascender | LS |
| 2004-2005,2007-2008 | Isuzu | Ascender | S |
| 2013-2016 | Nissan | Frontier | Desert Runner |
| 2010 | Nissan | Frontier | LE |
| 2010-2016 | Nissan | Frontier | PRO-4X |
| 2011-2016 | Nissan | Frontier | S |
| 2010 | Nissan | Frontier | SE |
| 2011-2016 | Nissan | Frontier | SL |
| 2011-2016 | Nissan | Frontier | SV |
| 2011-2014 | Ram | 1500 | Big Horn |
| 2012-2014 | Ram | 1500 | Express |
| 2013-2014 | Ram | 1500 | HFE |
| 2012-2014 | Ram | 1500 | Laramie |
| 2014 | Ram | 1500 | Laramie Limited |
| 2012-2014 | Ram | 1500 | Laramie Longhorn |
| 2014 | Ram | 1500 | Lone Star |
| 2011-2014 | Ram | 1500 | Outdoorsman |
| 2013 | Ram | 1500 | R/T |
| 2011-2014 | Ram | 1500 | SLT |
| 2014 | Ram | 1500 | Special Service |
| 2012-2014 | Ram | 1500 | Sport |
| 2011-2012 | Ram | 1500 | ST |
| 2012-2014 | Ram | 1500 | Tradesman |
| 2012 | Ram | 1500 | Tradesman HD |
| 2011 | Ram | 2500 | Laramie |
| 2011 | Ram | 2500 | Laramie Longhorn |
| 2011 | Ram | 2500 | Power Wagon |
| 2011 | Ram | 2500 | SLT |
| 2011 | Ram | 2500 | ST |
| 2001-2006 | Toyota | Sequoia | Limited |
| 2001-2006 | Toyota | Sequoia | SR5 |
| 2007-2013 | Toyota | Tundra | Base |
| 2001-2002,2007-2013 | Toyota | Tundra | Limited |
| 2013 | Toyota | Tundra | Platinum |
| 2014-2015 | Toyota | Tundra | SR |
| 2001-2002,2007-2011,2014-2015 | Toyota | Tundra | SR5 |
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 12588 Performance Muffler - 5x11x22in Oval Stainless Steel - 3in Center / 2.5in Dual
Note: Images are for illustrative purposes only. The actual product may vary in appearance or contents. Please read the full description and verify the item you're receiving.
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
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 of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
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:
Fits select 1996-2016 Cadillac, Chevrolet, Dodge, GMC, Isuzu, Nissan, Ram, and Toyota trucks and SUVs.
The MagnaFlow 12588 Performance Muffler is engineered to reduce backpressure and improve exhaust flow while delivering a signature deep, smooth tone. This universal 5x11-inch oval muffler features a high-flow, straight-through design with a perforated stainless steel core. To ensure long-lasting sound quality and heat management, the core is wrapped in a stainless steel mesh and packed with a dense acoustic fiber fill.
Constructed from 100% corrosion-resistant stainless steel, this muffler is built using CNC precision robotic manufacturing for consistent fitment and durability. The reversible, bi-directional layout allows for versatile installation of the 3-inch and 2.5-inch ports, making it adaptable to various custom exhaust configurations. The body is finished in a clean satin for an upgraded appearance under the vehicle.
- Part Number: 12588
- Body Shape: 5in. x 11in. Oval
- Body Length: 22in.
- Construction: 100% Stainless Steel
- Finish: Satin
- Core Type: Straight-Through Perforated Stainless
- Inlet/Outlet: 3in. and 2.5in. (Reversible/Bi-Directional)
- Manufacturing: CNC Precision Robotic Welds
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2006 | Cadillac | Escalade | Base |
| 2003-2006 | Cadillac | Escalade ESV | Base |
| 2003-2006 | Cadillac | Escalade EXT | Base |
| 2007-2008 | Chevrolet | Suburban 2500 | LS |
| 2007-2008 | Chevrolet | Suburban 2500 | LT |
| 2007 | Chevrolet | Suburban 2500 | LTZ |
| 1996-1999 | Chevrolet | Tahoe | Base |
| 1996-1999 | Chevrolet | Tahoe | LS |
| 1996-1999 | Chevrolet | Tahoe | LT |
| 2008 | Chevrolet | Trailblazer | Base |
| 2002-2007 | Chevrolet | Trailblazer | LS |
| 2002-2009 | Chevrolet | Trailblazer | LT |
| 2002-2003 | Chevrolet | Trailblazer | LTZ |
| 2002-2004 | Chevrolet | Trailblazer | North Face |
| 2003-2006 | Chevrolet | Trailblazer EXT | LS |
| 2002-2006 | Chevrolet | Trailblazer EXT | LT |
| 2002-2004 | Chevrolet | Trailblazer EXT | North Face |
| 2009-2010 | Dodge | Ram 1500 | Laramie |
| 2009-2010 | Dodge | Ram 1500 | SLT |
| 2009-2010 | Dodge | Ram 1500 | Sport |
| 2009-2010 | Dodge | Ram 1500 | ST |
| 2009-2010 | Dodge | Ram 1500 | TRX |
| 2009-2010 | Dodge | Ram 1500 | TRX4 |
| 2004-2009 | GMC | Envoy | SLE |
| 2004-2009 | GMC | Envoy | SLT |
| 1999 | GMC | Yukon | Denali |
| 1996-1997 | GMC | Yukon | SL |
| 1996-1999 | GMC | Yukon | SLE |
| 1996-1999 | GMC | Yukon | SLT |
| 2003-2006 | GMC | Yukon XL 1500 | Denali |
| 2007-2008 | GMC | Yukon XL 2500 | SLE |
| 2007-2008 | GMC | Yukon XL 2500 | SLT |
| 2006 | Isuzu | Ascender | Base |
| 2004-2006 | Isuzu | Ascender | LS |
| 2004-2005,2007-2008 | Isuzu | Ascender | S |
| 2013-2016 | Nissan | Frontier | Desert Runner |
| 2010 | Nissan | Frontier | LE |
| 2010-2016 | Nissan | Frontier | PRO-4X |
| 2011-2016 | Nissan | Frontier | S |
| 2010 | Nissan | Frontier | SE |
| 2011-2016 | Nissan | Frontier | SL |
| 2011-2016 | Nissan | Frontier | SV |
| 2011-2014 | Ram | 1500 | Big Horn |
| 2012-2014 | Ram | 1500 | Express |
| 2013-2014 | Ram | 1500 | HFE |
| 2012-2014 | Ram | 1500 | Laramie |
| 2014 | Ram | 1500 | Laramie Limited |
| 2012-2014 | Ram | 1500 | Laramie Longhorn |
| 2014 | Ram | 1500 | Lone Star |
| 2011-2014 | Ram | 1500 | Outdoorsman |
| 2013 | Ram | 1500 | R/T |
| 2011-2014 | Ram | 1500 | SLT |
| 2014 | Ram | 1500 | Special Service |
| 2012-2014 | Ram | 1500 | Sport |
| 2011-2012 | Ram | 1500 | ST |
| 2012-2014 | Ram | 1500 | Tradesman |
| 2012 | Ram | 1500 | Tradesman HD |
| 2011 | Ram | 2500 | Laramie |
| 2011 | Ram | 2500 | Laramie Longhorn |
| 2011 | Ram | 2500 | Power Wagon |
| 2011 | Ram | 2500 | SLT |
| 2011 | Ram | 2500 | ST |
| 2001-2006 | Toyota | Sequoia | Limited |
| 2001-2006 | Toyota | Sequoia | SR5 |
| 2007-2013 | Toyota | Tundra | Base |
| 2001-2002,2007-2013 | Toyota | Tundra | Limited |
| 2013 | Toyota | Tundra | Platinum |
| 2014-2015 | Toyota | Tundra | SR |
| 2001-2002,2007-2011,2014-2015 | Toyota | Tundra | SR5 |
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.
