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!
Welcome to Atlus Automotive
Main menu
-
Performance
- Performance
-
Intake & Exhaust
- Intake & Exhaust
- Air Intake Systems
- Cold Air Intakes
- Air Intake Components
- Air Filters
- Air Filters - Drop In
- Air Filters - Direct Fit
- Air Filters - Universal Fit
- Pre-Filters
- Recharge Kits
- OE Replacement Air Intake Components
- Exhaust, Mufflers & Tips
- Catback
- Axle Back
- Muffler
- Tips
- Headers & Manifolds
- Connecting Pipes
- Catalytic Converter Direct Fit
- Catalytic Converter Universal
- Exhaust Collector
- Merge Collectors
-
Engine Upgrades
- Engine Upgrades
- Engine Components
- Camshafts
- Valve Springs, Retainers
- Head Gaskets
- Head Stud & Bolt Kits
- Main Stud & Bolt Kits
- Gasket Kits
- Engine Mounts
- Oil Catch Cans
- Oil Separators
- Throttle Bodies
- Throttle Body Spacers
- Crankshaft Dampers
- Valves
- Piston Rings
- Piston Sets - Forged - 4cyl
- Piston Sets - Cast - 4cyl
- Connecting Rods - 4Cyl
- Rotating Assemblies
- Stroker Kits
-
Turbo & Cooling
-
Fuel, Ignition & Tuning
-
Suspension & Handling
- Suspension & Handling
-
Lowering & Coilovers
-
Arms, Links & Alignment
-
Lift & Off-Road Suspension
-
Chassis & Bracing
-
Wheels & Tires
- Wheels & Tires
-
Wheels
-
Tires
-
Drivetrain & Clutch
-
Brakes
- Brakes
-
Pads & Rotors
-
Brake Kits & Calipers
-
Lines, Fluid & Hardware
-
Exterior & Lighting
- Exterior & Lighting
-
Lighting
-
Exterior Styling
-
Bumpers & Protection
-
Interior & Electronics
- Interior & Electronics
-
Interior Upgrades
-
Gauges & Electronics
-
Audio & Safety
-
Overland & Utility
- Overland & Utility
-
Bed Covers & Bed Gear
-
Steps, Racks & Storage
-
Trail & Towing
-
Maintenance & Garage
- Maintenance & Garage
-
Oil, Fluids & Filters
-
Detailing & Car Care
-
Tools & Fabrication
Your cart
-
0-9
-
A
-
B
-
R
-
S
Magnaflow
MagnaFlow Performance Series Round Straight-Through Muffler 6x18in 3in C/C 12649 (Select 1997-2007 Chevy/Dodge/Ford/GMC)
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 1997-2007 Chevrolet Silverado 1500/2500, GMC Sierra 1500/2500, Ford F-150/F-250/Expedition, Dodge Ram 2500/3500, and Lincoln Navigator.
The MagnaFlow 12649 Performance Series muffler is engineered for drivers seeking a weight-optimized exhaust solution that delivers a deep, resonant tone without sacrificing flow. This 6-inch round, straight-through design features a reversible, universal 3-inch center inlet/outlet configuration, allowing for flexible installation across a wide range of custom and application-specific exhaust setups. Constructed from 100% stainless steel using CNC precision robotic manufacturing, this muffler is built to withstand high heat and resist corrosion over the life of your vehicle.
- 6-inch round body with an 18-inch length for a compact, versatile fit
- Straight-through perforated stainless steel core minimizes backpressure
- Internal stainless steel mesh wrap and acoustic fiber fill provide a smooth, deep exhaust note
- Bi-directional design allows for reversible inlet and outlet orientation
- Satin finish 100% stainless steel construction for maximum durability
- Manufacturer Part Number: 12649
Note: As a universal muffler, professional welding and fabrication are required for installation to ensure proper fitment and seal.
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2005 | Chevrolet | Silverado 1500 | Base |
| 2004-2006 | Chevrolet | Silverado 1500 | Hybrid |
| 2002-2006 | Chevrolet | Silverado 1500 | LS |
| 2002-2006 | Chevrolet | Silverado 1500 | LT |
| 2002-2006 | Chevrolet | Silverado 1500 | WT |
| 2004-2005 | Chevrolet | Silverado 1500 | Z71 Off-Road |
| 2007 | Chevrolet | Silverado 1500 Classic | Hybrid |
| 2007 | Chevrolet | Silverado 1500 Classic | LS |
| 2007 | Chevrolet | Silverado 1500 Classic | LT |
| 2007 | Chevrolet | Silverado 1500 Classic | WT |
| 1999-2000 | Chevrolet | Silverado 2500 | Base |
| 1999-2000 | Chevrolet | Silverado 2500 | LS |
| 1999-2000 | Chevrolet | Silverado 2500 | LT |
| 1998-2001 | Dodge | Ram 2500 | Base |
| 1998-2001 | Dodge | Ram 3500 | Base |
| 1997-2001 | Ford | Expedition | Eddie Bauer |
| 1997-2001 | Ford | Expedition | XLT |
| 1998-2000 | Ford | F-150 | Base |
| 2000-2003 | Ford | F-150 | Harley-Davidson Edition |
| 2001-2003 | Ford | F-150 | King Ranch |
| 1998-2003 | Ford | F-150 | Lariat |
| 1999-2003 | Ford | F-150 | Lightning |
| 1998-2003 | Ford | F-150 | XL |
| 1998-2003 | Ford | F-150 | XLT |
| 2004 | Ford | F-150 Heritage | SVT Lightning |
| 2004 | Ford | F-150 Heritage | XL |
| 2004 | Ford | F-150 Heritage | XLT |
| 1998-1999 | Ford | F-250 | Base |
| 1998-1999 | Ford | F-250 | Lariat |
| 1998-1999 | Ford | F-250 | XL |
| 1998-1999 | Ford | F-250 | XLT |
| 2002-2005 | GMC | Sierra 1500 | Base |
| 2002 | GMC | Sierra 1500 | HT |
| 2005-2006 | GMC | Sierra 1500 | Hybrid |
| 1999-2003,2006 | GMC | Sierra 1500 | SL |
| 1999-2006 | GMC | Sierra 1500 | SLE |
| 1999-2006 | GMC | Sierra 1500 | SLT |
| 2002-2006 | GMC | Sierra 1500 | WT |
| 2007 | GMC | Sierra 1500 Classic | Hybrid |
| 2007 | GMC | Sierra 1500 Classic | SL |
| 2007 | GMC | Sierra 1500 Classic | SLE |
| 2007 | GMC | Sierra 1500 Classic | SLT |
| 2007 | GMC | Sierra 1500 Classic | WT |
| 1999-2000 | GMC | Sierra 2500 | SL |
| 1999-2000 | GMC | Sierra 2500 | SLE |
| 1999-2000 | GMC | Sierra 2500 | SLT |
| 1998-2001 | Lincoln | Navigator | Base |
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 Performance Series Round Straight-Through Muffler 6x18in 3in C/C 12649 (Select 1997-2007 Chevy/Dodge/Ford/GMC)
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:
Fits select 1997-2007 Chevrolet Silverado 1500/2500, GMC Sierra 1500/2500, Ford F-150/F-250/Expedition, Dodge Ram 2500/3500, and Lincoln Navigator.
The MagnaFlow 12649 Performance Series muffler is engineered for drivers seeking a weight-optimized exhaust solution that delivers a deep, resonant tone without sacrificing flow. This 6-inch round, straight-through design features a reversible, universal 3-inch center inlet/outlet configuration, allowing for flexible installation across a wide range of custom and application-specific exhaust setups. Constructed from 100% stainless steel using CNC precision robotic manufacturing, this muffler is built to withstand high heat and resist corrosion over the life of your vehicle.
- 6-inch round body with an 18-inch length for a compact, versatile fit
- Straight-through perforated stainless steel core minimizes backpressure
- Internal stainless steel mesh wrap and acoustic fiber fill provide a smooth, deep exhaust note
- Bi-directional design allows for reversible inlet and outlet orientation
- Satin finish 100% stainless steel construction for maximum durability
- Manufacturer Part Number: 12649
Note: As a universal muffler, professional welding and fabrication are required for installation to ensure proper fitment and seal.
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2005 | Chevrolet | Silverado 1500 | Base |
| 2004-2006 | Chevrolet | Silverado 1500 | Hybrid |
| 2002-2006 | Chevrolet | Silverado 1500 | LS |
| 2002-2006 | Chevrolet | Silverado 1500 | LT |
| 2002-2006 | Chevrolet | Silverado 1500 | WT |
| 2004-2005 | Chevrolet | Silverado 1500 | Z71 Off-Road |
| 2007 | Chevrolet | Silverado 1500 Classic | Hybrid |
| 2007 | Chevrolet | Silverado 1500 Classic | LS |
| 2007 | Chevrolet | Silverado 1500 Classic | LT |
| 2007 | Chevrolet | Silverado 1500 Classic | WT |
| 1999-2000 | Chevrolet | Silverado 2500 | Base |
| 1999-2000 | Chevrolet | Silverado 2500 | LS |
| 1999-2000 | Chevrolet | Silverado 2500 | LT |
| 1998-2001 | Dodge | Ram 2500 | Base |
| 1998-2001 | Dodge | Ram 3500 | Base |
| 1997-2001 | Ford | Expedition | Eddie Bauer |
| 1997-2001 | Ford | Expedition | XLT |
| 1998-2000 | Ford | F-150 | Base |
| 2000-2003 | Ford | F-150 | Harley-Davidson Edition |
| 2001-2003 | Ford | F-150 | King Ranch |
| 1998-2003 | Ford | F-150 | Lariat |
| 1999-2003 | Ford | F-150 | Lightning |
| 1998-2003 | Ford | F-150 | XL |
| 1998-2003 | Ford | F-150 | XLT |
| 2004 | Ford | F-150 Heritage | SVT Lightning |
| 2004 | Ford | F-150 Heritage | XL |
| 2004 | Ford | F-150 Heritage | XLT |
| 1998-1999 | Ford | F-250 | Base |
| 1998-1999 | Ford | F-250 | Lariat |
| 1998-1999 | Ford | F-250 | XL |
| 1998-1999 | Ford | F-250 | XLT |
| 2002-2005 | GMC | Sierra 1500 | Base |
| 2002 | GMC | Sierra 1500 | HT |
| 2005-2006 | GMC | Sierra 1500 | Hybrid |
| 1999-2003,2006 | GMC | Sierra 1500 | SL |
| 1999-2006 | GMC | Sierra 1500 | SLE |
| 1999-2006 | GMC | Sierra 1500 | SLT |
| 2002-2006 | GMC | Sierra 1500 | WT |
| 2007 | GMC | Sierra 1500 Classic | Hybrid |
| 2007 | GMC | Sierra 1500 Classic | SL |
| 2007 | GMC | Sierra 1500 Classic | SLE |
| 2007 | GMC | Sierra 1500 Classic | SLT |
| 2007 | GMC | Sierra 1500 Classic | WT |
| 1999-2000 | GMC | Sierra 2500 | SL |
| 1999-2000 | GMC | Sierra 2500 | SLE |
| 1999-2000 | GMC | Sierra 2500 | SLT |
| 1998-2001 | Lincoln | Navigator | Base |
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.