C8 Corvette Stingray CORSA Xtreme Muffler-Only Cat-Back Exhaust (2020–2026) — 21108
If you want maximum CORSA sound without replacing the full system, the CORSA 21108 muffler-only cat-back is the clean answer. This setup replaces the factory mufflers with CORSA’s Xtreme sound-level mufflers to deliver an aggressive, always-on exhaust note—without relying on factory valves or quiet modes.
Why C8 Owners Choose the 21108 Muffler-Only System
- Muffler-only upgrade: Targets the restriction and tone where it matters most
- Xtreme sound: Loud, crisp, and aggressive—without “quiet mode” behavior
- Works on NPP and non-NPP cars: One solution for both configurations
- Valve simulators included: Helps prevent valve-related warnings and CEL issues
- Built for durability: CORSA-quality stainless construction designed for long-term use
Valve & Compatibility Overview
- Vehicle fitment: C8 Corvette Stingray (2020–2026)
- NPP-equipped cars: Compatible—this system does not retain NPP sound-mode function
- Non-NPP cars: Compatible—straightforward muffler upgrade path
- NPP valves: Not used (no Tour/Sport/Track sound switching)
- AFM/DFM valves: Not used
- Included solution: Valve simulators are included for electronic compliance
Who This Exhaust Is For
- Owners who want a loud, consistent sound without quiet modes
- Drivers who prefer a muffler-only upgrade instead of a full cat-back replacement
- C8 owners who want a solution that works whether their car is NPP or non-NPP
- Anyone who wants an aggressive tone while keeping the rest of the factory system intact
What to Expect After Installation
- Noticeably louder exhaust tone with CORSA’s Xtreme character
- No mode switching—sound stays consistent
- Strong presence under throttle with an aggressive overall profile
- Clean electronic behavior when installed with included valve simulators
Technical Specifications
- CORSA Part Number: 21108
- System Type: Muffler-only cat-back upgrade
- Vehicle: C8 Corvette Stingray (2020–2026)
- Sound Level: Xtreme
- Valve Strategy: Non-valved (no NPP / no AFM/DFM), valve simulators included
- Material: CORSA stainless construction (performance exhaust-grade)
Installation Overview
- Install type: Direct-fit bolt-on muffler replacement
- Difficulty: Moderate
- Recommended: Professional installation
- Post-install check: Verify valve simulator connections are secure and no valve-related codes are stored
Corvette Compatibility
- C8 Corvette Stingray: 2020, 2021, 2022, 2023, 2024, 2025, 2026
- Body styles: Coupe and Hard Top Convertible (HTC)
- Factory exhaust: Works for NPP and non-NPP vehicles
What Corvette Owners Say
“Exactly what I wanted—louder all the time with no weird valve behavior. Muffler-only made it the perfect upgrade without replacing everything.” — C8 Stingray Owner
Since 2007, CCA has helped Corvette owners choose the right exhaust the first time—with Corvette-enthusiast support and fast nationwide shipping.
Fast 1–2 day shipping on in-stock items. Choose CORSA 21108 if you want Xtreme sound with a muffler-only upgrade and no valve complexity.
