Description
Enhance the sound, performance, and rear-end appearance of your 2015–2017 Ford Mustang GT 5.0L V8 Fastback with this Sport 3.0-inch Axle-Back Exhaust System, part number 14334. Designed for enthusiasts who want a bold yet refined exhaust note, this system delivers a Sport sound level that emphasizes the Coyote V8’s natural tone without excessive harshness.
Constructed from 3.0-inch mandrel-bent tubing, this axle-back improves exhaust flow while maintaining proper velocity for strong throttle response. The system features a dual rear exit configuration with twin 4.0-inch polished Pro-Series tips, finished in a dual-wall, slash-cut design for a premium, aggressive look.
⚠️ Fitment Note: This exhaust fits Premium Package Mustangs ONLY and requires a Roush Quad Tip or similar aftermarket rear valance modification to properly accommodate the twin-tip layout.
Key Features
-
Sound Level: Sport
-
Pipe Diameter: 3.0 inches
-
System Type: Axle-Back
-
Exit Style: Dual rear exit
-
Tip Style: Twin
-
Tip Size: 4.0 inches
-
Tip Type: Pro-Series, dual-wall slash-cut, polished finish
-
Installation: Bolt-on using factory mounting points
-
Part Number: 14334
Performance Benefits
-
Aggressive, sporty V8 exhaust tone
-
Improved exhaust flow over factory axle-back
-
Enhanced throttle response
-
Premium rear styling with polished twin tips
-
Retains daily-drivable sound characteristics
Vehicle Fitment
-
2015 Ford Mustang GT 5.0L V8 – Fastback (Premium Package only)
-
2016 Ford Mustang GT 5.0L V8 – Fastback (Premium Package only)
-
2017 Ford Mustang GT 5.0L V8 – Fastback (Premium Package only)
Required: Roush Quad Tip or equivalent rear valance modification
Not compatible with base rear valance or non-Premium trims
This axle-back exhaust is ideal for Mustang GT owners seeking Sport-level sound, clean fitment, and aggressive twin-tip styling, while maintaining OEM-quality installation and finish.
