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European Sport Sound for the C7 Corvette's LT1 and LT2 V8
The CORSA 14762 is a 2.75-inch Sport-level valve-back exhaust system designed for the 2014-2019 Chevrolet Corvette C7 Stingray and Grand Sport with automatic transmissions and factory NPP valve. CORSA's system works in conjunction with the factory NPP active exhaust valve, allowing the driver to switch between quiet and Sport sound modes. In Sport mode, the CORSA RSC-tuned muffler delivers a refined, European-character V8 exhaust note that elevates the C7's driving experience. The system exits through twin 4.5-inch polished quad Pro-Series tips.
Key Features
- Compatible with factory NPP active exhaust valve on C7 Stingray and Grand Sport auto
- CORSA RSC technology for Sport-level European-character V8 sound
- 2.75-inch mandrel-bent T304 stainless steel construction
- Twin 4.5-inch polished quad Pro-Series exhaust tips
- Sport sound level: refined performance, not aggressive
- CORSA limited lifetime warranty
- Made in Berea, Ohio, USA
Vehicle Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2014-2019 | Chevrolet | Corvette | Stingray |
| 2017-2019 | Chevrolet | Corvette | Grand Sport |
Specifications
| Detail | Value |
|---|---|
| MPN | 14762 |
| UPC | 847466012914 |
| Pipe Diameter | 2.75 inches |
| System Type | Valve-Back |
| Sound Level | Sport |
| Tip Style | Twin 4.5-inch Polished Quad Pro-Series |
| Exit | Dual Rear Exit |
| Material | T304 Stainless Steel |
| Transmission | Automatic (with factory NPP valve) |
| Warranty | Limited Lifetime |
What's Included
- 1x CORSA 14762 Sport valve-back muffler assembly
- Twin 4.5-inch polished quad 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 has been engineering Corvette exhaust systems for decades. Every CORSA system uses T304 aircraft-grade stainless steel with a limited lifetime warranty and is assembled in the USA.
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Frequently Asked Questions
What is the CORSA 14762?The CORSA 14762 is a 2.75-inch Sport valve-back exhaust for the 2014-2019 C7 Corvette Stingray and Grand Sport with automatic transmission and factory NPP active valve, featuring twin 4.5-inch polished quad tips and RSC-tuned Sport-level European character V8 sound.
Does the 14762 work with the factory NPP active exhaust valve?Yes. The CORSA 14762 is designed as a valve-back system that installs downstream of the factory NPP valve, preserving the driver-controlled quiet and sport modes while adding CORSA's RSC-tuned Sport sound in the open position.
Does this fit manual transmission C7 Corvettes?The CORSA 14762 is designed for automatic transmission C7 Stingray and Grand Sport with factory NPP. Manual transmission Corvette owners and those without NPP should refer to CORSA's axle-back fitment options.
What is the difference between 14762 and 14764?Both are valve-back systems for the C7 Stingray and Grand Sport auto with NPP. The 14762 is Sport-level tuning; the 14764 is Xtreme-level with a substantially more aggressive and louder exhaust note.
Is the 14762 drone-free at highway speeds?Yes. RSC technology is calibrated to the C7 LT1 V8's frequency characteristics to eliminate highway drone in Sport mode. In quiet mode, the factory NPP valve provides near-stock sound levels.
Does this require a tune?No. The CORSA 14762 is a bolt-on valve-back replacement. No ECU tune, cutting, or welding is required.
Does the 14762 fit the C7 Z06 or ZR1?The CORSA 14762 is designed for the C7 Stingray and Grand Sport. Z06 and ZR1 owners should refer to CORSA's Z06 and ZR1-specific exhaust fitments.
What is the warranty on the 14762?CORSA provides a limited lifetime warranty on the 14762 against defects in materials and workmanship when purchased from an authorized dealer.
Installation Instructions
- Safely raise and support the Corvette on rated jack stands or a lift
- Allow the factory exhaust to cool completely
- Locate the factory valve-back section at the NPP valve outlet
- Disconnect the factory muffler assembly downstream of the NPP valve
- Remove the factory muffler and tip assembly
- Test-fit CORSA 14762 before tightening any hardware
- Attach to factory hangers and install all supplied hardware
- Torque all connections to specification and verify tip symmetry
- 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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