Magnaflow
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
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Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal FitMagnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit
Magnaflow

Magnaflow Mag SS 18" Oval Muffler 3" Center Inlet/Outlet — Universal Fit

Save 11%
SKU: MAG12249

About Magnaflow MagnaFlow has been America's leader in stainless steel ...Read more

Price:
$199.89 $223.52
1990 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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Product Details

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Sizing & Fit

About Magnaflow

MagnaFlow has been America's leader in stainless steel performance exhaust since 1981. From the rumbly Pro Street to the OE-quiet Touring series, every MagnaFlow exhaust delivers measurable HP, an unmistakable note, and a lifetime warranty.

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Magnaflow Mag SS 18" Oval Performance Muffler (12249)

Unleash your vehicle's potential with the Magnaflow 12249 Straight-Through Performance Exhaust Muffler. Engineered to deliver a distinctive Magnaflow sound and significant performance improvements, this muffler is built for the discerning driver. It features a high-flow, straight-through perforated stainless steel core, enveloped in stainless steel mesh and acoustic fiber fill, ensuring optimal exhaust gas flow and a refined tone.

Key Features & Benefits:

  • Robust Stainless Steel: Constructed from premium, corrosion-resistant stainless steel for maximum durability and a premium look.
  • Maximized Performance: The straight-through design minimizes exhaust restrictions, leading to substantial gains in horsepower and torque.
  • Deep Exhaust Note: Produces a rich, powerful exhaust sound that enhances the driving experience.
  • Universal Fitment: Features a reversible, universal 3-inch diameter inlet and outlet, offering great flexibility for custom exhaust applications.
  • Extended Body: The larger 18" x 5" x 8" oval body provides enhanced sound dampening while maintaining excellent flow characteristics.
  • Precision Manufacturing: Built using advanced CNC precision techniques for consistent quality and a perfect fit.

Professional installation is recommended for optimal integration with your vehicle's exhaust system. Choose Magnaflow for unparalleled quality and performance. Find this exceptional muffler and other performance parts at GGCRACING.

About Magnaflow

MagnaFlow has been America's leader in stainless steel performance exhaust since 1981. From the rumbly Pro Street to the OE-quiet Touring series, every MagnaFlow exhaust delivers measurable HP, an unmistakable note, and a lifetime warranty.

Watch in action

Magnaflow Mag SS 18" Oval Performance Muffler (12249)

Unleash your vehicle's potential with the Magnaflow 12249 Straight-Through Performance Exhaust Muffler. Engineered to deliver a distinctive Magnaflow sound and significant performance improvements, this muffler is built for the discerning driver. It features a high-flow, straight-through perforated stainless steel core, enveloped in stainless steel mesh and acoustic fiber fill, ensuring optimal exhaust gas flow and a refined tone.

Key Features & Benefits:

  • Robust Stainless Steel: Constructed from premium, corrosion-resistant stainless steel for maximum durability and a premium look.
  • Maximized Performance: The straight-through design minimizes exhaust restrictions, leading to substantial gains in horsepower and torque.
  • Deep Exhaust Note: Produces a rich, powerful exhaust sound that enhances the driving experience.
  • Universal Fitment: Features a reversible, universal 3-inch diameter inlet and outlet, offering great flexibility for custom exhaust applications.
  • Extended Body: The larger 18" x 5" x 8" oval body provides enhanced sound dampening while maintaining excellent flow characteristics.
  • Precision Manufacturing: Built using advanced CNC precision techniques for consistent quality and a perfect fit.

Professional installation is recommended for optimal integration with your vehicle's exhaust system. Choose Magnaflow for unparalleled quality and performance. Find this exceptional muffler and other performance parts at GGCRACING.

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