C7 Corvette Z06 CORSA Xtreme NPP Axle-Back Exhaust 14777 (2015–2019)
The CORSA Xtreme 14777 is a valved axle-back exhaust system designed specifically for 2015–2019 C7 Corvette Z06 models equipped with factory NPP. It delivers CORSA’s most aggressive sound profile when valves are open, while still providing quieter cruising when closed—all without unwanted interior drone.
Product Overview
- CORSA Part Number: 14777
- System Type: Axle-back exhaust
- Sound Level: CORSA Xtreme
- Valves: Retains factory NPP valves
- Tips: Quad 4.5" Polished Pro-Series
- Material: 304 stainless steel
- Made in: USA
Why CORSA Xtreme with NPP
This system combines CORSA’s patented Reflective Sound Cancellation® (RSC®) with factory NPP valve control. When the valves are open, you get a sharp, race-inspired exhaust note. When closed, volume is reduced for daily driving—without the booming drone common in other performance exhausts.
Key Benefits
- Dual personality sound: Quiet cruising and aggressive track tone
- Xtreme volume: CORSA’s loudest sound profile when valves are open
- No drone cruising: RSC® technology targets cabin resonance
- Factory integration: Works with OEM NPP valve operation
- Premium finish: Quad polished Pro-Series tips
Performance & Construction
- Straight-through exhaust design for improved flow
- Precision TIG-welded 304 stainless steel construction
- Weight savings compared to factory exhaust components
- Lifetime warranty on exhaust system (5 years on valves)
Installation Overview
- Install Type: Direct bolt-on axle-back
- Cutting/Welding: Not required
- Estimated Install Time: 1–2 hours
- Note: Professional installation recommended for best valve alignment
Corvette Compatibility
- Fits: C7 Corvette Z06 (2015–2019)
- Transmission: Manual and Automatic
- Required: Factory NPP-equipped vehicles
- Will NOT Fit: Non-NPP Corvette models
What Corvette Owners Say
“Best of both worlds—quiet when I want it, absolutely savage in Track mode. Zero drone on the highway.”
Since 2007, Custom Corvette Accessories has helped Corvette owners choose the right exhaust the first time—with accurate fitment guidance and fast shipping.
Upgrade your C7 Z06 with CORSA Xtreme 14777 and enjoy true valved performance.
