C7 Corvette CORSA Exhaust Systems

C7 Corvette CORSA Exhaust Systems for 2014–2019 Corvettes

The C7 is where choosing a CORSA exhaust gets more interesting. C7 Corvette CORSA exhaust systems cover the 2014–2019 Stingray, 2017–2019 Grand Sport, 2015–2019 Z06 and 2019 ZR1, with Sport and Xtreme fixed-sound systems plus active-valve systems that retain factory NPP control. The trick is getting into the right exhaust family first. Start with the model, check the transmission if you own a Grand Sport, then decide what you want to do with NPP.

The Two C7 CORSA Exhaust Families

CORSA divides the C7 rear exhausts into two distinct groups. The 14762, 14764 and 14776 family covers the Stingray and automatic Grand Sport. The 14766, 14768 and 14777 family covers the Z06, ZR1 and manual Grand Sport. Once you know which side your Corvette falls on, most of the fitment question is already answered.

Grand Sport Owners: The Transmission Matters

The Grand Sport is the one C7 that crosses both CORSA families. An automatic Grand Sport uses the Stingray family — 14762, 14764 or 14776. A manual Grand Sport uses the Z06 and ZR1 family — 14766, 14768 or 14777. Same LT1 engine and same Grand Sport badge, but two different CORSA rear-exhaust applications. Check the transmission before choosing the system.

Shop C7 Corvette CORSA Exhaust by Model

• 2014–2019 Stingray, 6.2L LT1: CORSA Xtreme 14762 and CORSA Sport 14764 are the fixed-sound choices. Cars equipped with factory NPP use the active-valve 14776 when retaining factory sound-mode control.
• 2017–2019 Grand Sport, 6.2L LT1: Automatic cars use 14762, 14764 or NPP system 14776. Manual cars move to the Z06 family and use 14766, 14768 or NPP system 14777.
• 2015–2019 Z06, supercharged 6.2L LT4: CORSA Xtreme 14766 and CORSA Sport 14768 are the fixed-sound systems. Factory-NPP cars can retain active exhaust operation with 14777.
• 2019 ZR1, supercharged 6.2L LT5: The ZR1 shares the Z06 rear-exhaust family and uses 14766, 14768 or active-NPP system 14777.

C7 CORSA NPP and Active Exhaust

Once the Corvette is in the correct exhaust family, the next question is factory NPP. If you use the quiet and loud modes built into the car, CORSA gives you an active-valve system that keeps them. If you would rather have one fixed exhaust sound all the time, there are Sport and Xtreme choices instead. Exactly how that works depends on which C7 family you own.

• 14776 and 14777 — retain factory NPP: These active-valve systems connect to the factory NPP actuators and preserve the Corvette's variable exhaust operation. The sound changes with the car's driving modes rather than staying at one fixed level. A factory-NPP car is required.
• 14762 and 14764 — Stingray and Grand Sport automatic: These are the fixed-sound Xtreme and Sport systems for the non-NPP side of the Stingray and automatic Grand Sport lineup. If retaining factory NPP operation is the goal, 14776 is the active system for this family.
• 14766 and 14768 — Z06, ZR1 and Grand Sport manual: These are the fixed-sound Xtreme and Sport choices. They can also be installed on a factory-NPP car, but doing so removes the NPP sound-mode function. The installation does not trigger a check-engine light.

There is no universal right answer. If you regularly use the Corvette's different exhaust modes, keeping NPP makes sense. If you want the same CORSA sound every time you start the car, the fixed-sound systems simplify the decision. The CORSA Corvette Exhaust Guide goes deeper into Sport, Xtreme, NPP and how the C7's exhaust controls affect what you hear.

The C7 CORSA X-Pipe Fits the Whole Generation

After sorting through the rear-exhaust families, the X-pipe is refreshingly simple. CORSA 21078 is a 3.0-inch Cat-Connect X-pipe that fits the 2014–2019 Stingray, Grand Sport, Z06 and ZR1. There is no Grand Sport transmission split and no separate NPP version.

The 21078 installs behind the factory catalytic converters and keeps them in place. It can be used with the factory rear exhaust or a CORSA system, so it is a separate upgrade rather than something tied to one particular axle-back. CORSA rates it at a 4 percent increase in flow and specifically tunes the Cat-Connect design without increasing the exhaust sound level.

C7 CORSA Tips and Finishes

C7 CORSA rear systems keep the tip decision straightforward. Every system uses 4.5-inch Pro-Series tips. The Sport and Xtreme fixed-sound systems use the Twin Tip configuration, while the active-NPP systems use Quad Tips built around the valves. Both are available in Polished or Black PVD, so the size stays the same and the choice comes down to the exhaust configuration and the finish you want at the center of the rear fascia.

Stingray, Grand Sport, Z06 and ZR1 Fitment

Sharing the C7 badge does not make these cars one exhaust application. Stingray and automatic Grand Sport models use one CORSA rear-system family, while Z06, ZR1 and manual Grand Sport models use another. That distinction matters more than the engine name when you are ordering the exhaust. Match the Corvette to the correct family first, then work through NPP and sound.

CORSA Sport or CORSA Xtreme for a C7?

If you are choosing a fixed-sound system, CORSA Sport gives the C7 a deeper, more aggressive voice while remaining easier to live with on longer drives. CORSA Xtreme pushes the volume considerably further and keeps the exhaust more present whenever the car is running. Sport makes sense when you want the Corvette to sound stronger without making every drive about the exhaust. Xtreme is the choice when maximum CORSA sound is the point. If you are retaining NPP with 14776 or 14777, the factory valves give you the variable sound range instead.

Which CORSA Exhaust Fits My C7 Corvette?

Start with the model. If it is a Grand Sport, check the transmission — automatic puts you with the Stingray systems and manual puts you with the Z06 and ZR1 systems. Then check for factory NPP and decide whether you want to keep the active sound control or move to a fixed Sport or Xtreme system. Once those decisions are made, all that remains is Polished or Black PVD.

Shopping CORSA for another Corvette? Start at CORSA Corvette Exhaust Systems.