SKU: B919-C91
Thermal R&D 2015-2017 Ford Mustang 5.0L GT 3″ Catback Exhaust System
Thermal R&D’s 2015-2017 Ford Mustang 5.0L GT 3″ Catback Exhaust System features a robust 3-inch diameter tubing, designed to enhance exhaust flow and efficiency. It’s made from 304 stainless steel for long-term durability and corrosion resistance. The system incorporates Thermal R&D’s ‘True Helmholtz Technology,’ which gives your exhaust a deep, resonant tone without cabin drone. This direct bolt-on system improves sound, look, and performance with a deep, aggressive exhaust note on throttle and quiet cruising. Mill finish tubing and resonator with optional polished or ceramic coated 4.5″ angle tips (sold separately) provide a premium appearance. Guaranteed to fit coupe models perfectly (will not fit convertible). Backed by a Lifetime Manufacturer’s Warranty and proudly manufactured in the USA.
Key Features & Benefits
- 3″ Diameter Tubing – Produces deep, resonant exhaust note with improved flow and performance
- True Helmholtz Technology – Aggressive tone under acceleration, no cabin drone at cruise
- 304 Stainless Steel Construction – Corrosion-resistant for lifelong durability
- Mill Finish Tubing/Resonator – Clean, OEM+ appearance with optional polished/ceramic tips
- Easy Bolt-On Installation – Uses factory hangers; no modifications necessary
| Specification | Detail |
|---|---|
| Part Number | B919-C91 |
| Brand | Thermal R&D |
| Application | 2015-2017 Ford Mustang 5.0L GT (coupe only) |
| Material | 304 Stainless Steel |
| Piping Diameter | 3 inches |
| Finish | Mill (tubing/resonator); optional polished/ceramic 4.5″ angle tips |
| Technology | True Helmholtz for drone cancellation |
| Installation | Direct bolt-on – uses factory hangers |
| Warranty | Lifetime Manufacturer’s Warranty |
Whats Included
- Full 3″ catback exhaust system (tubing, resonator, mufflers)
- All hardware, clamps, and gaskets
- Installation instructions
Product Notes
- Deep, resonant tone with no drone perfect balance for daily and spirited driving
- Will not fit convertible models coupe only
- Compatible with factory or optional Thermal R&D polished/ceramic tips
- Improves exhaust efficiency and throttle response on the 5.0L Coyote
- Manufactured in the USA supports local jobs with premium quality
Installation Notes
- Estimated time: 1–2 hours
- Support vehicle, remove factory catback from hangers
- Install new system using included clamps/hardware and OEM mounting points
- Tighten all connections, check alignment and for leaks
- Professional installation recommended for perfect alignment
This Part Fits
| Year Range | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 2015-2017 | Ford | Mustang GT | 5.0L V8 Coyote | Coupe only; direct fit; no convertible compatibility |
Why Choose Thermal R&D 3″ Catback for Mustang GT?
- Deep, resonant Coyote sound without drone True Helmholtz tech for perfect balance
- Premium 304 stainless with optional upgraded tips for OEM+ style and durability
- Easy bolt-on upgrade that enhances performance and presence
- Thermal R&D – USA-made with lifetime warranty, trusted for refined exhaust performance
Frequently Asked Questions
- Q: Will this fit my 2016 Ford Mustang GT coupe?
A: Yes, direct fit for 2015-2017 Mustang GT coupes; uses factory hangers. - Q: Does it drone on the highway?
A: No, True Helmholtz Technology eliminates drone while delivering deep tone. - Q: Are tips included?
A: No, designed for factory valance/tips; optional polished/ceramic available.
Shipping and Handling
- Method: UPS / FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure protective packaging
- Weight: Approx. 45-55 lbs (typical for full catback system)
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