Stainless Works 2013-14 Ford Shelby GT500 3in Catback Retro Chambered Mufflers (part # M13GT), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
2013–14 Shelby GT500
Lifetime Warranty
Made in USA
Overview
Improve the sound and performance of your 2013–14 Shelby GT500 with a premium retro chambered catback exhaust from Stainless Works. This system delivers that deep, aggressive muscle car sound you desire.
Designed with smooth mandrel-bent tubing and chambered mufflers, this catback optimizes exhaust flow while providing a bold tone that sets your GT500 apart.
This system is built from corrosion-resistant 304 stainless steel and TIG welded in Streetsboro, Ohio — engineered for long-term durability and performance.
Why Stainless Works
- American-made from raw material to finished product
- TIG welded by skilled craftsmen for strength and beauty
- Lifetime warranty on material and craftsmanship
- Direct bolt-on fit for 2013–14 Shelby GT500
- Pairs perfectly with Stainless Works long tube headers for a full system upgrade
Key Features
Retro Chambered Design
Delivers deep, aggressive muscle car tone with a classic rumble.
304 Stainless Steel
Corrosion-resistant for a lifetime of reliable performance.
Mandrel Bent Tubing
Smooth airflow with zero restriction bends.
TIG Welded Construction
Precision welds for maximum durability.
Excellent Fitment
Direct bolt-on design for an easy, hassle-free installation.
Complete Hardware Kit
Includes mufflers, overaxle pipes, Y tips, and all necessary clamps.
Specifications
| Vehicle Fitment |
2013–14 Shelby GT500 |
| System Type |
Catback Exhaust — Retro Chambered |
| Material |
304 Stainless Steel |
| Welding |
TIG Welded |
| Muffler Type |
Chambered |
| Exhaust Tips |
Y Tips |
| Connection |
Factory Connection Point - Fits Stainless Works and most Aftermarket Exhausts |
| Lead Time |
Built To Order — 4 Weeks |
| Warranty |
Lifetime |
| Origin |
Made in USA — Streetsboro, Ohio |
⇩ Download Installation Instructions (PDF)
See It In Action
Sound Comparison and Features — 2013–14 Shelby GT500 Catback Exhaust System
What's In The Box
- Mufflers x2
- Front Overaxle Pipes x2
- Rear Overaxle Pipes x2
- Y Tips x2
- Clamps x6
- Installation Instructions
Frequently Asked Questions
Will this catback fit my 2013–14 Shelby GT500?
Yes. This catback exhaust is designed specifically for the 2013–2014 Shelby GT500. It is a direct bolt-on system that requires no cutting, welding, or modification.
What kind of sound does this retro chambered exhaust produce?
This system delivers a deep, aggressive muscle car tone with a classic chambered rumble. It is noticeably louder and more authoritative than stock, yet refined enough for daily driving with minimal drone at cruising speeds.
Can I pair this catback with Stainless Works long tube headers?
Absolutely. This catback is designed to bolt directly to your factory connection point, and it pairs seamlessly with Stainless Works long tube headers for a complete, high-performance exhaust system that maximizes both sound and power.
What warranty is included?
Stainless Works provides a lifetime warranty on material and craftsmanship — covering the full life of the product, not just a limited term.
Questions? Call us at | Mon–Fri 7:30am–4:30pm EST
Built To Order in 4 Weeks — Free Shipping on Orders $50+
This Listing
- Brand: Stainless Works
- Part number: M13GT
- Product type: Cat-back exhaust
- Fitment: 2013-14 Ford Shelby GT500
- Configuration: Yes(Less Loud), Stock Manifolds (Factory Connect)
- Shipping weight: 56 lb
California Prop 65 warning applies to this product.
Fitment note: Stainless Works systems are application-specific (year, cab/bed, transmission and factory exhaust). Send us your VIN before ordering and we will confirm fitment: 954-507-6261 or sales@americanmuscleperformance.net.
