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Open Air Sound Tuned for the Convertible GT
The CORSA 14342 Xtreme cat-back exhaust is engineered for the 2015 to 2017 Ford Mustang GT 5.0L V8 Convertible, delivering a deep, aggressive tone that comes alive with the top down. Featuring CORSA's patented Reflective Sound Cancellation technology, the 14342 boosts exhaust flow by 48 percent while cutting weight and adding horsepower over the factory setup.
Key Features
- 2.75 inch cat-back expanding to 3.0 inch double X-pipe design
- Single 4.5 inch polished Pro-Series dual wall slash cut tips
- Xtreme sound level tuned with Reflective Sound Cancellation technology
- Increases exhaust flow by up to 48 percent
- Adds up to 5 horsepower and 4 lb-ft of torque over stock
- Sheds up to 2 lbs versus the factory exhaust system
- Mandrel bent, straight through muffler design
- Easy bolt-on installation with no welding required
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2015-2017 | Ford | Mustang | GT Premium Convertible |
Specifications
| Detail | Value |
|---|---|
| Part Number | 14342 |
| Pipe Diameter | 2.75 inch expanding to 3.0 inch |
| Tip Size | 4.5 inch single, polished |
| Sound Level | Xtreme |
| Exit Style | Dual rear exit |
| Flow Increase | +48% |
| Weight Savings | -2 lbs (Xtreme level) |
| Horsepower Gain | +5 HP / +4 lb-ft |
| UPC | Contact CORSA for current UPC |
What's Included
- CORSA 14342 cat-back exhaust system including XX-Pipe and axle-back sections
- Single 4.5 inch polished Pro-Series tips
- All necessary clamps and hangers
- Detailed installation instructions
About CORSA Performance
CORSA Performance has engineered high performance exhaust systems in Berea, Ohio for decades. Its patented Reflective Sound Cancellation technology gives the 14342 an aggressive open air tone without unwanted drone, while boosting flow and horsepower on the convertible S550 Mustang GT.
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Frequently Asked Questions
What is the CORSA 14342?The CORSA 14342 is a 2.75 inch to 3.0 inch Xtreme cat-back exhaust system built for the 2015 to 2017 Ford Mustang GT 5.0L V8 Convertible, featuring a single 4.5 inch polished Pro-Series tip.
How much horsepower does the 14342 add?The 14342 adds up to 5 horsepower and 4 lb-ft of torque along with a 48 percent increase in exhaust flow.
How much weight does the 14342 save?The Xtreme sound level configuration of the 14342 saves approximately 2 lbs versus the factory exhaust.
Does the 14342 fit the Mustang GT Coupe?No, the 14342 is designed specifically for the 2015 to 2017 Mustang GT Convertible.
Does the 14342 require welding to install?No, the 14342 is a bolt-on cat-back system that installs using factory hangers and included clamps with no welding necessary.
What sound level does the 14342 produce?The 14342 is tuned to an Xtreme sound level for a deep, aggressive tone suited to open top driving.
What tip style does the 14342 use?The 14342 uses a single 4.5 inch polished Pro-Series dual wall slash cut tip on each side for a dual rear exit look.
Is the 14342 recommended with aggressive engine modifications?CORSA does not recommend pairing the 14342 with aggressive engine modifications due to its tuned sound profile.
Installation Instructions
- Raise and safely support the vehicle to access the factory exhaust system.
- Remove the factory cat-back exhaust starting at the mid-pipe connection.
- Disconnect factory hangers and lower the stock system from the vehicle.
- Position the CORSA 14342 system and loosely connect at the mid-pipe joint.
- Secure the system to the factory hanger locations.
- Align the 4.5 inch tips evenly with the rear valance opening.
- Tighten all clamps and hardware to specification.
- Lower the vehicle and inspect for leaks and clearance before road testing.
WARNING: This product can expose you to chemicals including nickel compounds, which are known to the State of California to cause cancer, and carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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