Distinctive Gun Metal Styling for the Modern Mustang
The CORSA 14328GNM applies the proven Xtreme sound level cat back platform to the 2015 through 2017 Ford Mustang GT Coupe, finished with gun metal Pro-Series dual tips for a unique look that stands apart from standard polished or black finishes.
Key Features
- 3 inch mandrel bent 304 stainless steel tubing throughout
- Xtreme sound level with CORSA Reflective Sound Cancellation technology eliminates cabin drone
- Gun metal finish dual wall 4.5 inch Pro-Series tips with laser etched CORSA logo
- 48 percent increase in exhaust flow over stock
- 12 lbs lighter than the factory exhaust system
- Bolt on installation, no welding or cutting required
- Lifetime warranty, made in Berea, Ohio
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2015-2017 | Ford | Mustang | GT |
Specifications
| Detail | Value |
|---|---|
| Part Number (14328GNM) | CORSA 14328GNM |
| Pipe Diameter | 3.0 in |
| Tip Size | 4.5 in |
| Tip Finish | Gun Metal Pro-Series |
| Tip Style | Dual, Pro-Series Dual Wall Slash Cut |
| Sound Level | Xtreme |
| Material | 304 Stainless Steel |
| Flow Increase | 48% |
| Weight Savings | -12 lbs |
| Horsepower Gain | +5 HP |
| UPC | Contact CORSA for current UPC |
What's Included
- CORSA Xtreme cat back exhaust system (X pipe and mufflers)
- Gun metal dual 4.5 in Pro-Series tips
- Mounting hardware and clamps
- Installation instructions
About CORSA Performance
CORSA Performance has engineered patented Reflective Sound Cancellation technology for over two decades, giving enthusiasts an aggressive exhaust tone without interior drone. Every system is built from stainless steel in Berea, Ohio and backed by a lifetime warranty.
Related Parts on Our Site
- Corsa 2015 Ford Mustang GT 5.0 3in Cat Back Exhaust, Polish Dual 4.5in Tip (Xtreme)
- Corsa 2015 Ford Mustang GT Fastback 5.0 3in Xtreme Cat Back Exhaust w/ Dual Black 4.5in Tips
Frequently Asked Questions
What is the 14328GNM?The CORSA 14328GNM is a 3 inch Xtreme sound level cat back exhaust system for the 2015 to 2017 Ford Mustang GT Coupe, finished with gun metal dual 4.5 inch Pro-Series tips.
How does the system differ from the 14328 and 14328BLK?The system uses the identical Xtreme cat back platform but is finished with gun metal tips rather than polished or black tips.
Does the system require any cutting or welding?No, it bolts on directly using factory hangers and mounting points.
What sound level does the system produce?It is tuned to CORSA's Xtreme sound level for an aggressive, drone free exhaust note.
Will the system fit a Mustang EcoBoost?No, this system is engineered specifically for the 2015 to 2017 Mustang GT 5.0L V8 Coupe.
How much horsepower does the system add?CORSA lists an approximate 5 horsepower gain along with a 48 percent flow increase over stock.
Is the gun metal finish on the system durable?Yes, the gun metal Pro-Series tips use a heat resistant finish designed for long term appearance retention.
Does the system carry a warranty?Yes, CORSA backs the 14328GNM with a lifetime warranty against manufacturing defects.
Installation Instructions
- Raise and safely support the vehicle on a lift or stands
- Remove the factory mid pipe and muffler assembly
- Test fit the CORSA 14328GNM X pipe and mufflers using factory hangers
- Install all clamps loosely to allow for alignment
- Align gun metal tips evenly in the rear valance opening
- Torque all clamps to specification per the included instructions
- Lower the vehicle and inspect for proper clearance before driving
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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