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Xmas Gift Idea Straight-through Performance Muffler; 3in. Offset/offset; 5x22x11 Body Starter Kit [Y9gAy2DT]

$50.99 $163.99 -69%

The MagnaFlow 5 X 11in. Oval Straight-Through Performance Exhaust Muffler 12578 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 perforate

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Xmas Gift Idea Straight-through Performance Muffler; 3in. Offset/offset; 5x22x11 Body Starter Kit [Y9gAy2DT]

The MagnaFlow 5 X 11in. Oval Straight-Through Performance Exhaust Muffler 12578 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 3/3in. 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 12578s weight-optimized 5x11x22in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12578 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.
  • Delivers a Smooth, Deep Tone
  • Mufflers are Bi-Directional
  • 100% Stainless Steel

Attributes:

  • Brand Name: MagnaFlow Exhaust Products
  • GTIN: 00841380001146
  • 33: Oval
  • 200: Satin
  • 596: Offset
  • 598: Offset
  • 601: 3
  • 614: 5
  • 615: 22
  • 616: 11
  • 617: No
  • 620: 1
  • 621: Stainless Steel
  • 622: 3
  • 623: 1
  • 624: Yes
  • 1161: 0
  • 1174: Straight-Through
  • 7188: 3
  • 8971: 28
  • 59309: Straight-Through
  • 59822: MagnaFlow 5 X 11in. Oval Straight-Through Performance Exhaust Muffler 12578
  • 5866165: No

Extended Information:

  • Country of Origin: US
  • Emissions : Emissions Compliance Exempt
  • Life Cycle Status: Available To Order

Packing Information:

  • Quantity of Each: 1.0
  • Package UOM: EA
  • Dimension: 29.2500 x 13.6250 x 6.1250 inches
  • Weight: 24.0000 lb

Videos:

What Our Customers Say

February 5, 2026

Absolutely no complaints!

This is a very good build quality.

- Jodi V..

February 5, 2026

Absolutely no complaints!

It’s a very solid and highly impressive tool.

- Jakob P..

February 5, 2026

Absolutely no complaints!

It’s a very fine, extremely nice tool.

- Tyson H..

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