# MagnaFlow Sys Cat-Back 67-70 Ford Mustang 3inch

The MagnaFlow 1967-1970 Ford Mustang Street Series Crossmember-Back Performance Exhaust System brings enhanced engine sound and dyno-proven performance to your 3.3L, 4.1L, 4.7L, 5.0L, 5.8L, 6.4L, 7.0L 1967-1970 Ford Mustang with a healthy helping of our deep, resonant signature exhaust note at Aggressive exterior and Moderate interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Ford Mustang exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features a crossmember-back layout designed to replace your Ford Mustang's exhaust system from the crossmember on back. With its fast-flowing, mandrel bent 3in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit that you can enhance with tips of your choosing, your muscle car will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15819 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's limited lifetime construction warranty.

-   Durable Corrosion-Resistant Stainless Steel Construction
-   CNC Precision Robotic Manufacturing Techniques
-   Dyno-proven performance
-   Dyno Proven Performance

This Part Fits:

Year

Make

Model

Submodel

1967-1970

Ford

Mustang

Base

1969-1970

Ford

Mustang

Boss 302

1969-1970

Ford

Mustang

Boss 429

1970

Ford

Mustang

Grande

1970

Ford

Mustang

Mach 1

1967-1970

Ford

Mustang

Shelby GT-350

1967-1970

Ford

Mustang

Shelby GT-500

1968

Ford

Mustang

Shelby GT-500KR

## Details

- **Price:** 1731.22 CAD
- **Vendor:** Magnaflow
- **Type:** Catback

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1731.22 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-sys-cat-back-67-70-ford-mustang-3inch)
> Updated: 2026-06-29