# MagnaFlow 15677 Competition Series Cat-Back Stainless Exhaust System for 1994-1998 Ford Mustang

### Performance Overview

Magnaflow Competition Series Exhaust Systems are designed for those looking for a forceful exhaust note and overall improved performance! The Magnaflow Competition Series Exhaust System is constructed of T-409 stainless steel for maximum durability and performance gains. Magnaflow uses mandrel bent tubing to increase the exhaust flow, which in turns helps to boost performance. This Exhaust Kit comes in a variety of configurations, including rear axle back and cat-back styles, single or dual mufflers, and one, two, or four outlets. Magnaflow Competition Series exhausts increase your performance for better track results.

### Key Features

-   Brand: MagnaFlow
-   Part number: 15677
-   Product type: Competition Series Cat-Back Stainless Exhaust System
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   1994 Ford Mustang, Note: Gt, Svt Cobra; 5.0L
-   1995 Ford Mustang, Note: Gt, Gts, Svt Cobra; 5.0L
-   1996 Ford Mustang, Note: Gt, Svt Cobra; 4.6L
-   1997 Ford Mustang, Note: Gt, Svt Cobra; 4.6L
-   1998 Ford Mustang, Note: Gt, Svt Cobra; 4.6L

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is 15677.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Competition Series Cat-Back Stainless Exhaust System for Ford Mustang
-   15677 fitment
-   MagnaFlow Competition Series Cat-Back Stainless Exhaust System
-   1994 Ford Mustang Competition Series Cat-Back Stainless Exhaust System

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1994

Ford

Mustang

Gt, Svt Cobra; 5.0L

1995

Ford

Mustang

Gt, Gts, Svt Cobra; 5.0L

1996

Ford

Mustang

Gt, Svt Cobra; 4.6L

1997

Ford

Mustang

Gt, Svt Cobra; 4.6L

1998

Ford

Mustang

Gt, Svt Cobra; 4.6L

## Details

- **Price:** 1399.25 CAD
- **Vendor:** MagnaFlow
- **Type:** Competition Series Cat-Back Stainless Exhaust System
- **Tags:** 15677, 1994 Ford Mustang, 1995 Ford Mustang, 1996 Ford Mustang, 1997 Ford Mustang, 1998 Ford Mustang, Auto Parts, Automotive, Catalytic Converter, Competition Series Cat-Back Stainless Exhaust System, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-15677, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1399.25 CAD | In stock |

## Images

- MagnaFlow 15677 Competition Series Cat-Back Stainless Exhaust System

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-ford-mustang-cat-back-exhaust-15677)
> Updated: 2026-07-16