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Full-Size SUV Performance Sound Built for the Long Haul
The CORSA 14748 is a 3.0-inch Sport cat-back exhaust system engineered for the 2015-2020 Chevrolet Suburban and GMC Yukon XL with the 5.3L V8 engine. CORSA's patented Reflective Sound Cancellation (RSC) technology is tuned specifically for the Suburban and Yukon XL platform to deliver a confident, throaty V8 performance exhaust note without any highway drone. The system exits through twin 4.0-inch polished Pro-Series tips that give the large SUV a premium visual upgrade to match the improved sound.
Key Features
- CORSA RSC technology tuned for Suburban and Yukon XL 5.3L V8 character
- 3.0-inch mandrel-bent T304 stainless steel construction
- Twin 4.0-inch polished Pro-Series exhaust tips
- Sport sound level: confident V8 rumble without excessive loudness
- Direct bolt-on installation for 2015-2020 Suburban and Yukon XL 5.3L
- CORSA limited lifetime warranty
- Assembled in Berea, Ohio, USA
Vehicle Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2015-2020 | Chevrolet | Suburban | LS |
| 2015-2020 | Chevrolet | Suburban | LT |
| 2015-2020 | Chevrolet | Suburban | LTZ |
| 2015-2020 | Chevrolet | Suburban | Premier |
| 2015-2020 | GMC | Yukon XL | SLE |
| 2015-2020 | GMC | Yukon XL | SLT |
Specifications
| Detail | Value |
|---|---|
| MPN | 14748 |
| UPC | 847466016485 |
| Pipe Diameter | 3.0 inches |
| System Type | Cat-Back |
| Sound Level | Sport |
| Tip Style | Twin 4.0-inch Polished Pro-Series |
| Exit | Dual Rear Exit |
| Material | T304 Stainless Steel |
| Engine | 5.3L V8 |
| Warranty | Limited Lifetime |
What's Included
- 1x CORSA 14748 Sport cat-back muffler assembly
- Twin 4.0-inch polished Pro-Series exhaust tips
- All hardware and clamps for bolt-on installation
About CORSA Performance
Founded in 1989 in Berea, Ohio, CORSA Performance invented Reflective Sound Cancellation technology and builds exhaust systems for vehicles ranging from full-size trucks and SUVs to performance cars. Every system is built from T304 aircraft-grade stainless steel with a limited lifetime warranty and assembled in the USA.
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Frequently Asked Questions
What is the CORSA 14748?The CORSA 14748 is a 3.0-inch Sport cat-back exhaust system for the 2015-2020 Chevrolet Suburban and GMC Yukon XL with the 5.3L V8 engine, featuring twin 4.0-inch polished Pro-Series tips and CORSA RSC technology for confident V8 performance sound without highway drone.
Does the 14748 fit both the Suburban and Yukon XL?Yes. The CORSA 14748 is designed to fit both the 2015-2020 Chevrolet Suburban and the 2015-2020 GMC Yukon XL with the 5.3L V8 engine across available trim levels including LS, LT, LTZ, Premier, SLE, and SLT.
Is the CORSA 14748 drone-free at highway speeds?Yes. CORSA's patented RSC technology is tuned specifically for the frequency characteristics of the Suburban and Yukon XL 5.3L V8 to eliminate highway drone while delivering a confident Sport-level exhaust note under throttle.
Does the 14748 fit the Suburban 3500 or 2500?The CORSA 14748 is designed for the standard 1500-series Chevrolet Suburban 5.3L V8. Heavy-duty 2500 and 3500 series require a separate fitment. Verify via CORSA's vehicle selector before ordering.
Will this void my factory warranty?Aftermarket exhaust systems may affect emissions-related warranty coverage. Consult your dealer. CORSA provides its own limited lifetime warranty on the 14748 system.
Does installation require any cutting or welding?No. The CORSA 14748 is a direct bolt-on cat-back replacement using factory mounting points with no cutting, welding, or modifications required.
What is the difference between 14748 and 14748BLK?Both systems are identical Sport-level cat-backs with the same RSC tuning and 3.0-inch T304 construction. The 14748 features polished stainless tips; the 14748BLK uses matte black PVD-coated tips.
How long does the installation take?Most installations complete in 1 to 2 hours using basic hand tools. No specialty equipment or ECU tune is required.
Installation Instructions
- Safely raise and support the vehicle on rated jack stands
- Allow the factory exhaust to cool completely
- Disconnect the factory cat-back at the catalytic converter outlet flange
- Remove factory cat-back and muffler assembly
- Test-fit CORSA 14748 before tightening any hardware
- Attach to factory rubber hangers and install all supplied clamps
- Torque all hardware to specification and verify tip alignment
- Start engine and inspect all connections for leaks
Prop 65 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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