2004 GMC Magnaflow Parts
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- California Universal Catalytic Converter - 2.50in.
- CARB Executive Order D-193-143 Engine Family Number (EFN) 4GMXT04.2185 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
- Magnaflow California Universal Catalytic Converter - 2.50in.
- Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 4
- Body Height: 4
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Finish: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Air Tube Adaptable: No
- Body Length: 13
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Series: California
- Heat Shield Attached: No
- Hangers Included: No
- CARB Executive Order Number: D-193-143
- Inlet Inside Diameter: 2.5
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Body Shape: Round
- Outlet Inside Diameter: 2.5
- Prop 65 Y/N: No
- Sensor Port Count: 0
- Title: Magnaflow California Grade Carb Compliant Universal Catalytic Converter 5451306
-
Features:
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
- MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5451306 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2004 - GMC Envoy | L | - | 6 Cyl 4.2L | 256 |
- California Universal Catalytic Converter - 2.50in.
- CARB Executive Order D-193-101 Engine Family Number (EFN) 4GMXT04.3187 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
- Magnaflow California Universal Catalytic Converter - 2.50in.
- Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 6.375
- Body Height: 3.75
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Finish: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Series: California
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: D-193-101
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 2.5
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Outlet Inside Diameter: 2.5
- Prop 65 Y/N: No
- Sensor Port Count: 0
- Title: Magnaflow California Grade Carb Compliant Universal Catalytic Converter 459006
-
Features:
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
- MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 459006 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 2004 - GMC Sonoma | V | - | Rear | 6 Cyl 4.3L | 262 |
- California Universal Catalytic Converter - 2.50in.
- CARB Executive Order D-193-103 Engine Family Number (EFN) 4GMXT04.3181 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
- Magnaflow California Universal Catalytic Converter - 2.50in.
- 2.50in.
- Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 5.5
- Body Height: 3.75
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Finish: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Series: California
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: D-193-103
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 2.5
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Outlet Inside Diameter: 2.5
- Prop 65 Y/N: No
- Sensor Port Count: 0
- Title: Magnaflow California Grade Carb Compliant Universal Catalytic Converter 447106
-
Features:
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
- MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 447106 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 2004 - GMC Safari | V | - | Front | 6 Cyl 4.3L | 262 |
- California Universal Catalytic Converter - 3.00in.
- CARB Executive Order D-193-103 Engine Family Number (EFN) 4GMXT08.1201 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
- Magnaflow California Universal Catalytic Converter - 3.00in.
- 3in.
- Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 5.5
- Body Height: 3.75
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Finish: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Series: California
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: D-193-103
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 3
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Outlet Inside Diameter: 3
- Prop 65 Y/N: No
- Sensor Port Count: 0
- Title: Magnaflow California Grade Carb Compliant Universal Catalytic Converter 447209
-
Features:
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
- MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 447209 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 2004 - GMC Sierra 3500 | V | - | Rear | 8 Cyl 8.1L | 496 |
- California Universal Catalytic Converter - 3.00in.
- CARB Executive Order D-193-103 Engine Family Number (EFN) 4GMXT04.3181 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
- Magnaflow California Universal Catalytic Converter - 3.00in.
- 3in.
- Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 5.5
- Body Height: 3.75
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Finish: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Series: California
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: D-193-103
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 3
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Outlet Inside Diameter: 3
- Prop 65 Y/N: No
- Sensor Port Count: 0
- Title: Magnaflow California Grade Carb Compliant Universal Catalytic Converter 447209
-
Features:
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
- MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 447209 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 2004 - GMC Safari | V | - | Rear | 6 Cyl 4.3L | 262 |
- California Universal Catalytic Converter - 3.00in.
- CARB Executive Order D-193-103 Engine Family Number (EFN) 4GMXA04.8172 Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
- Magnaflow California Universal Catalytic Converter - 3.00in.
- 3in.
- Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 5.5
- Body Height: 3.75
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Finish: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Series: California
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: D-193-103
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 3
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Outlet Inside Diameter: 3
- Prop 65 Y/N: No
- Sensor Port Count: 0
- Title: Magnaflow California Grade Carb Compliant Universal Catalytic Converter 447209
-
Features:
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
- MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 447209 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 2004 - GMC Savana 2500 | V | - | Rear Right | 8 Cyl 4.8L | 294 |
- California Direct-Fit Catalytic Converter
- CARB Executive Order D-193-103 Engine Family Number (EFN) 4GMXT06.0188 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
- Magnaflow California Direct-Fit Catalytic Converter
- Product Attributes:
- Air Tube Count: 0
- Inlet Gasket Included: Yes
- Tube Material: Stainless Steel
- Oxygen Sensor Location: Pre And Post Converter
- Outlet Gasket Included: No
- Series: California
- Grade Type: Regular
- Hangers Included: Yes
- Heat Shield Attached: Yes
- Outlet Mounting Hardware Included: Yes
- CARB Executive Order Number: D-193-103
- Heat Shield Material: Aluminized Steel
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Substrate Material: Ceramic
- Finish: Stainless Steel
- Clamps Included: Yes
- Prop 65 Y/N: No
- Sensor Port Count: 2
- Air Tube Adaptable: No
- Title: Magnaflow California Grade Carb Compliant Direct-fit Catalytic Converter 447283
- California Air Resources Board (CARB) Certified: Yes
-
Features:
- Torca AccuSeal® Exhaust Clamps provide a full 360-degree equally distributed clamping force preventing pipe distortion while creating a complete seal and maintaining serviceability
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
- OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Simplifies installation with essential gaskets and hardware being included in the box
- Durable 308 stainless steel MIG welds
- Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 447283. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed to fit the 2002-2006 GMC Sierra 2500 HD, 2001-2005 Chevrolet Silverado 1500 HD, and additional vehicles. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
This Part Fits the Following OEM/Substitute Numbers:
10395213, 10398370, 15754088, 15757974, 15798958, 15798962, 88983202, 88983233
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 2004 - GMC Yukon XL 2500 | V | 5967 | Right | 8 Cyl 6.0L | 364 |
- HM Grade Universal Catalytic Converter - 2.50in.
- Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
- Magnaflow HM Grade Universal Catalytic Converter - 2.50in.
- Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 4.375
- Body Height: 4.375
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Finish: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: No
- Inlet Gasket Included: No
- Series: Hm Grade
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: Not Applicable
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 2.25
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Body Shape: Round
- Outlet Inside Diameter: 2.5
- Prop 65 Y/N: No
- Sensor Port Count: 0
- Title: Magnaflow Hm Grade Federal / Epa Compliant Universal Catalytic Converter 99206hm
-
Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
- MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99206HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 2004 - GMC Yukon | V | 5967 | Right | 8 Cyl 6.0L | 364 |
- HM Grade Universal Catalytic Converter - 2.50in.
- Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
- Magnaflow HM Grade Universal Catalytic Converter - 2.50in.
- Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 4.375
- Body Height: 4.375
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Finish: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: No
- Inlet Gasket Included: No
- Series: Hm Grade
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: Not Applicable
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 2.25
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Body Shape: Round
- Outlet Inside Diameter: 2.5
- Prop 65 Y/N: No
- Sensor Port Count: 0
- Title: Magnaflow Hm Grade Federal / Epa Compliant Universal Catalytic Converter 99206hm
-
Features:
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Compact, lightweight construction enables installation in confined areas, welding is required
- Durable 308 stainless steel MIG welds
- MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99206HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 2004 - GMC Yukon | V | 5967 | Left | 8 Cyl 6.0L | 364 |
- Straight-Through Performance Muffler; 3in. Center/Center; 6x18x6 Body
- Magnaflow Straight-Through Performance Muffler; 3in. Center/Center; 6x18x6 Body
- Satin Finish Round Exhaust Muffler
- Product Attributes:
- Muffler Type: Straight-through
- Series: Straight-through
- Exhaust Tip Quantity: 0
- Body Width: 6
- Inlet Inside Diameter: 3
- Hanger Included: No
- Body Height: 6
- Body Material: Stainless Steel
- Finish: Satin
- Outlet Quantity: 1
- Shape: Round
- Inlet Quantity: 1
- Outlet Inside Diameter: 3
- Prop 65 Y/N: No
- Core Diameter: 3
- Reversible: Yes
- Body Length: 18
- Title: Magnaflow 6in. Round Straight-through Performance Exhaust Muffler 12649
-
Features:
- Delivers a Smooth, Deep Tone
- Mufflers are Bi-Directional
- 100% Stainless Steel
- The MagnaFlow 6in. Round Straight-Through Performance Exhaust Muffler 12649 brings our world-famous exhaust sound and dyno-proven performance to your ride in a weight-optimized 6x6x18in. package with a premium satin finish. The straight-through free-flowing design of this round-bodied muffler's reversible, universal 3/3in. diameter inlet/outlet layout enables versatile installation options to match the spacing requirements of your vehicle. Due to the cutting and welding involved, professional installation is highly recommended. Internally, 12649 utilizes a perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill to achieve a powerful, resonant tone. This muffler 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.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2004 - GMC Sierra 1500 | V | 5328 | 8 Cyl 5.3L | 325 |
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