# MagnaFlow Muffler MAG 409SS 5x5x14 2.25

The MagnaFlow 5in. Round Straight-Through Performance Exhaust Muffler 12865 brings our world-famous exhaust sound and dyno-proven performance to your ride in a weight-optimized 5x5x14in. package with a premium satin finish. The straight-through free-flowing design of this round-bodied muffler's reversible, universal 2.25/2.25in. 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, 12865 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.

-   Delivers a Smooth, Deep Tone
-   Delivers A Smooth-Deep Tone
-   Mufflers Are Bi-Directional
-   100 Percent Stainless Steel
-   100% Stainless Steel

## Details

- **Price:** 225.35 CAD
- **Vendor:** Magnaflow
- **Type:** Muffler

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 225.35 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-muffler-mag-409ss-5x5x14-2-25)
> Updated: 2026-09-01