SKU: B918-C918
Thermal R&D 3″ Catback Exhaust – 2018-2023 Ford Mustang GT Fastback
The Thermal R&D 3″ catback exhaust for 2018-2023 Ford Mustang GT Fastback. Mandrel-bent 304 stainless steel tubing with True Helmholtz Technology delivers aggressive deep tone, complete drone elimination, improved flow, and premium quad angle tips the ultimate exhaust upgrade for any Mustang GT build seeking bold sound and performance without cabin drone.
Key Features
- 3″ Diameter Tubing – High-flow mandrel bent design for enhanced performance and deeper exhaust note
- True Helmholtz Technology – Eliminates cabin drone while preserving aggressive sound characteristics
- 304 Stainless Steel – Durable, corrosion-resistant material for lifetime performance
- 4″ Quad Angle Tips – Polished or ceramic coated options for striking rear appearance
- Bolt-On Fit – Direct replacement using factory hangers – no modifications required
| Spec | Detail |
|---|---|
| Part Number | B918-C918 |
| Brand | Thermal R&D |
| Piping Diameter | 3″ |
| Material | 304 Stainless Steel |
| Tip Size | 4″ Quad Angle |
| Tip Finish | Polished or Ceramic Coated |
| Drone Elimination | True Helmholtz Technology |
| Fitment Note | Fastback only – does not fit convertible models |
| Active Valves | No |
| Country of Origin | United States |
| Warranty | Lifetime Manufacturer’s |
Whats Included
- Complete 3″ catback exhaust system
- 4″ quad angle tips (polished or ceramic coated)
- All necessary gaskets, clamps, and hardware
- Installation instructions
Product Notes
- Fits all 2018-2023 Ford Mustang GT Fastback models
- Mounts to OEM catalytic converters/downpipes using factory hangers
- Provides aggressive exhaust tone without cabin drone
Installation Notes
- Easy bolt-on installation using factory hangers
- Estimated time: 1–2 hours
- Professional installation recommended for perfect alignment
This Part Fits
| Year Range | Make | Model | Trim / Engine | Notes |
|---|---|---|---|---|
| 2018-2023 | Ford | Mustang | GT Fastback | 5.0L V8 – does not fit convertible |
Why Choose Thermal R&D Catback Exhaust?
- #1 choice for drone-free aggressive sound on Mustang GT
- Built & tested in the United States
- Chosen by Mustang enthusiasts for deep tone, performance, and lifetime warranty
Frequently Asked Questions
- Q: Does this fit my 2021 Ford Mustang GT Fastback?
A: Yes, direct fit for all 2018-2023 Mustang GT Fastback models. - Q: Will this eliminate drone?
A: Yes, True Helmholtz Technology cancels cabin drone while keeping aggressive tone. - Q: Are tips included?
A: Yes, 4″ quad angle tips in polished or ceramic coated finish.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Official Thermal R&D retail box
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