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Thermal R&D B906-C906 3" Catback Exhaust — 2015-2017 Ford Mustang 5.0L GT
The Thermal R&D B906-C906 is a 3" catback exhaust built for the 2015 through 2017 Ford Mustang GT equipped with the 5.0L Coyote V8. Engineered and manufactured in Lancaster, California from T304 mandrel-bent stainless steel, the B906-C906 delivers a deep, muscular Coyote tone that turns heads without punishing the driver with cabin drone at highway speeds. Thermal R&D's patented Helmholtz resonator technology is specifically tuned to the S550 Mustang GT 5.0L exhaust pulse to cancel the standing wave frequencies responsible for interior fatigue.
The B906-C906 exits with polished stainless tips and installs directly onto the factory Mustang GT exhaust connection with no cutting or welding required.
Key Features
- 3" T304 mandrel-bent stainless steel throughout
- Patented Helmholtz resonator tuned for the Coyote 5.0L
- Polished stainless exhaust tips
- Fits 2015-2017 Ford Mustang GT 5.0L Fastback
- Direct bolt-on — no cutting or welding
- Made in Lancaster, California, USA
What's Included
- Thermal R&D B906-C906 catback exhaust assembly
- Polished stainless exhaust tips
- OEM-style mounting hardware and hangers
- Installation instructions
Specifications
| Specification | Detail |
|---|---|
| MPN / Part Number | B906-C906 |
| UPC | Registered with Thermal R&D |
| Material | T304 Stainless Steel |
| Pipe Diameter | 3" |
| Tip Finish | Polished Stainless Steel |
| Fitment | 2015-2017 Ford Mustang GT 5.0L V8 (Fastback) |
| Installation | Direct bolt-on |
| Country of Origin | Made in Lancaster, CA USA |
| Warranty | Limited Lifetime to original vehicle owner |
Frequently Asked Questions
-
What years does the B906-C906 fit?
The B906-C906 fits 2015 through 2017 Ford Mustang GT models with the 5.0L V8 Coyote engine. -
Does the B906-C906 fit the 2018+ Mustang GT?
No. The 2018+ Mustang GT received a revised exhaust routing. For 2018+ GT applications, see Thermal R&D's current catalog. -
Will this exhaust drone on the highway?
No. The B906-C906's Helmholtz resonator is tuned to the 5.0L Coyote's exhaust pulse to eliminate standing wave drone at highway speeds. -
Does the B906-C906 fit the Mustang EcoBoost?
No. The B906-C906 is for the GT 5.0L only. EcoBoost owners should look at the B905-C905. -
Is the B906-C906 a bolt-on installation?
Yes. The B906-C906 connects directly to the factory Mustang GT exhaust connection point without cutting or welding. -
Does the B906-C906 fit both Fastback and Convertible?
The B906-C906 is validated for the Mustang GT Fastback. Convertible fitment should be confirmed with Thermal R&D directly. -
Where is the B906-C906 made?
Made in Lancaster, California, USA by Thermal R&D. -
What warranty is provided?
Limited Lifetime warranty to the original vehicle owner, non-transferable, excluding commercial and racing use.
Installation Instructions
Lift and support the Mustang GT safely. Remove the stock catback from the factory connection rearward. Route the B906-C906 assembly on the OEM-style hangers, connect the inlet flange, torque hardware to specification, and align the polished tips. Install time approximately 60 minutes. Full written instructions included.
Prop 65 Warning
WARNING: This product can expose you to chemicals including chromium and nickel compounds from combustion exhaust, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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