# MagnaFlow 15644 Street Series Cat-Back Stainless Exhaust System for 1999-2004 Ford Mustang

### Performance Overview

The Magnaflow street Series Exhaust System is crafted from durable stainless steel and features mandrel bent tubing's for maximum durability and performance gains. The Street Series gives a more smoother and deeper than stock mufflers, but it is not oppressive to the ears when you're cruising along the highway. Magnaflow street Series Exhaust Systems has a straight-through flow design with increased horsepower and torque as it gives out maximum exhaust flow.

### Key Features

-   Brand: MagnaFlow
-   Part number: 15644
-   Product type: Street Series Cat-Back Stainless Exhaust System
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   1999 Ford Mustang, Note: Svt Cobra; 4.6L
-   2000 Ford Mustang, Note: Svt Cobra; 4.6L
-   2001 Ford Mustang, Note: Svt Cobra; 4.6L
-   2003 Ford Mustang, Note: Svt Cobra; 4.6L
-   2004 Ford Mustang, Note: 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 15644.

**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

-   Street Series Cat-Back Stainless Exhaust System for Ford Mustang
-   15644 fitment
-   MagnaFlow Street Series Cat-Back Stainless Exhaust System
-   1999 Ford Mustang Street Series Cat-Back Stainless Exhaust System

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1999

Ford

Mustang

Svt Cobra; 4.6L

2000

Ford

Mustang

Svt Cobra; 4.6L

2001

Ford

Mustang

Svt Cobra; 4.6L

2003

Ford

Mustang

Svt Cobra; 4.6L

2004

Ford

Mustang

Svt Cobra; 4.6L

## Details

- **Price:** 1396.35 CAD
- **Vendor:** MagnaFlow
- **Type:** Street Series Cat-Back Stainless Exhaust System
- **Tags:** 15644, 1999 Ford Mustang, 2000 Ford Mustang, 2001 Ford Mustang, 2003 Ford Mustang, 2004 Ford Mustang, Auto Parts, Automotive, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-15644, Muffler, Performance Exhaust, Performance Parts, Street Series Cat-Back Stainless Exhaust System, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1396.35 CAD | In stock |

## Images

- MagnaFlow 15644 Street 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-15644)
> Updated: 2026-07-16