# MagnaFlow 15851 Street Series Crossmember-Back Stainless Exhaust System for 1970-1972 Dodge Challenger and More

### 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: 15851
-   Product type: Street Series Crossmember-Back Stainless Exhaust System
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   1970 Dodge Challenger, Note: Base, R/T, T/A; 3.2L, 3.7L, 5.2L, 5.6L, 6.3L, 7.0L, 7.2L
-   1971 Dodge Challenger, Note: Base, R/T; 3.2L, 3.7L, 5.2L, 5.6L, 5.9L, 6.3L, 7.0L, 7.2L
-   1972 Dodge Challenger, Note: Base, Rallye; 3.7L, 5.2L, 5.6L, 5.9L, 6.6L, 7.2L
-   1970 Plymouth Barracuda, Note: Base, Gran Coupe; 3.2L, 3.7L, 5.2L, 5.6L, 6.3L
-   1971 Plymouth Barracuda, Note: Base, Gran Coupe; 3.2L, 3.7L, 5.2L, 5.6L, 5.9L, 6.3L, 7.0L, 7.2L
-   1972 Plymouth Barracuda, Note: Base; 3.7L, 5.2L, 5.6L, 5.9L, 7.2L

### 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 15851.

**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 Crossmember-Back Stainless Exhaust System for Dodge Challenger
-   15851 fitment
-   MagnaFlow Street Series Crossmember-Back Stainless Exhaust System
-   1970 Dodge Challenger Street Series Crossmember-Back Stainless Exhaust System

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1970

Dodge

Challenger

Base, R/T, T/A; 3.2L, 3.7L, 5.2L, 5.6L, 6.3L, 7.0L, 7.2L

1971

Dodge

Challenger

Base, R/T; 3.2L, 3.7L, 5.2L, 5.6L, 5.9L, 6.3L, 7.0L, 7.2L

1972

Dodge

Challenger

Base, Rallye; 3.7L, 5.2L, 5.6L, 5.9L, 6.6L, 7.2L

1970

Plymouth

Barracuda

Base, Gran Coupe; 3.2L, 3.7L, 5.2L, 5.6L, 6.3L

1971

Plymouth

Barracuda

Base, Gran Coupe; 3.2L, 3.7L, 5.2L, 5.6L, 5.9L, 6.3L, 7.0L, 7.2L

1972

Plymouth

Barracuda

Base; 3.7L, 5.2L, 5.6L, 5.9L, 7.2L

## Details

- **Price:** 1512.88 CAD
- **Vendor:** MagnaFlow
- **Type:** Street Series Crossmember-Back Stainless Exhaust System
- **Tags:** 15851, 1970 Dodge Challenger, 1970 Plymouth Barracuda, 1971 Dodge Challenger, 1971 Plymouth Barracuda, 1972 Dodge Challenger, 1972 Plymouth Barracuda, Auto Parts, Automotive, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-15851, Muffler, Performance Exhaust, Performance Parts, Street Series Crossmember-Back Stainless Exhaust System, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1512.88 CAD | In stock |

## Images

- MagnaFlow 15851 Street Series Crossmember-Back Stainless Exhaust System

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> Source: [Standard Auto Part](www.standardautopart.com/products/magnaflow-dodge-challenger-exhaust-system-15851)
> Updated: 2026-06-13