2018 GMC Exhaust Muffler Parts
Choose a Model for your 2018 GMC
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Product
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- Straight-Through Performance Muffler; 3/2.5in. Center/Dual; 5x14x8 Body
- Magnaflow Straight-Through Performance Muffler; 3/2.5in. Center/Dual; 5x14x8 Body
- Satin Finish Oval Exhaust Muffler
- Product Attributes:
- Muffler Type: Straight-through
- Series: Straight-through
- Exhaust Tip Quantity: 0
- Inlet Inside Diameter: 3
- Hanger Included: No
- Body Height: 5
- Body Material: Stainless Steel
- Finish: Satin
- Outlet Quantity: 2
- Inlet Quantity: 1
- Outlet Inside Diameter: 2.5
- Prop 65 Y/N: No
- Core Diameter: 3
- Reversible: Yes
- Body Length: 14
- Title: Magnaflow 5 X 8in. Oval Straight-through Performance Exhaust Muffler 12198
-
Features:
- Delivers a Smooth, Deep Tone
- Mufflers are Bi-Directional
- 100% Stainless Steel
- The MagnaFlow 5 X 8in. Oval Straight-Through Performance Exhaust Muffler 12198 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 12198s weight-optimized 5x8x14in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12198 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 |
|---|---|---|---|---|
| 2018 - GMC Sierra 1500 | V | 5328 | 8 Cyl 5.3L | 325 |
- 3.5 in. Center Inlet/2.5 in. Dual Out; 409 Stainless Steel
- FlowFX Muffler; 3.5 in. Center Inlet/2.5 in. Dual Out; 409 Stainless Steel;
- FlowFX Muffler
- Product Attributes:
- Tip Quantity: 2
- Shape: Round
- Outlet Position: Dual Outlet
- WARNING CA Proposition 65: Yes
- Inlet Position: Center
-
Features:
- Not A Direct Fit
- Moderate Sound
- Straight Through Style
- Fully Welded Steel Case
- Flowmaster's Flow FX series mufflers deliver a moderate performance tone for the enthusiast looking for an exhaust note that is different from the "chambered" muffler sound. The interior features a large 3.50-inch "straight-through" stainless steel perforated core, surrounded with high-temperature sound absorption materials delivering a deep traditional mellow tone. The internal flow design is reversible, so the muffler can be installed in either direction to best suit the vehicle application and offsets needed. Features include fully MIG-welded "bright" 409 stainless steel construction with the Flow FX logo embossed on both sides of the case. The Flow FX line of mufflers is perfect for the person looking for a show quality performance muffler at an economical price point and in a compact sized case.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 2018 - GMC Sierra 1500 | V | 6162 | 8 Cyl 6.2L | Denali | 376 |
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2018 - GMC Yukon XL | V | 5328 | 8 Cyl 5.3L | 325 |
Additional Fitment Information:
| Vehicle | Block | CC | Fuel Type | Engine | Sub Model | Wheel FeedBase | CID |
|---|---|---|---|---|---|---|---|
| 2018 - GMC Savana 3500 | V | 5967 | FLEX | 8 Cyl 6.0L | Base | 155.0 | 364 |
- Straight-Through Performance Muffler; 3/2.5in. Center/Dual; 5x14x8 Body
- Magnaflow Straight-Through Performance Muffler; 3/2.5in. Center/Dual; 5x14x8 Body
- Satin Finish 3x2.5in. Oval Exhaust Muffler
- Product Attributes:
- Outlet Quantity: 2
- Muffler Type: Straight-through
- Inlet Quantity: 1
- Exhaust Tip Quantity: 0
- Outlet Inside Diameter: 2.5
- Core Diameter: 3
- Reversible: Yes
- Inlet Inside Diameter: 3
- Hanger Included: No
- Body Height: 5
- Body Material: Stainless Steel
-
Features:
- Delivers a Smooth, Deep Tone
- 100% Stainless Steel
- Mufflers are Bi-Directional
- The MagnaFlow 5 X 8in. Oval Straight-Through Performance Exhaust Muffler 12198 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 12198s weight-optimized 5x8x14in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12198 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 |
|---|---|---|---|---|
| 2018 - GMC Sierra 1500 | V | - | 6 Cyl 4.3L | 262 |
- Chambered
- 16 Inch Overall Length
- MaxFlow Xtreme Muffler
- Product Attributes:
- Internal Construction: Chambered
- Outlet Position: Offset Dual
- Tip Finish: No Tip
- Case Length (IN): 10 Inch
- Includes Tip: No
- Tip Diameter (IN): No Tip
- Tip Length (IN): No Tip
- Color/ Finish: Electropolished
- Prop 65 Y/N: Y
- Tip Material: No Tip
- Inlet Position: Center Single
- Material: Stainless Steel
-
Features:
- Built From Premium T-304 Austenitic Stainless Steel Which Will Not Pit Or Rust
- All T-304 Stainless Steel Internal Components Which Will Not Pit Or Rust From The Inside Out
- 300 Series Stainless Steel Weld Filler Supports The Overall Quality And Durability Of The Muffler
- Rich, Aggressive Tone From The MaxFlow Xtreme Muffler Adds A Powerful Sound To The Vehicle
- MaxFlow Xtreme Mufflers by SpeedFX are built using T-304 austenitic stainless steel which will not pit or rust, including all internal parts. 300 series stainless steel weld filler supports the overall quality and durability of the muffler. The chambered muffler delivers a rich, aggressive tone that will turn heads and make you smile.
Additional Fitment Information:
| Vehicle |
|---|
| 2018 - GMC Sierra 1500 |
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