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SKU: 21103 | UPC: 847466022210
Corsa 20-25 Corvette C8 3in Valved Cat-Back 4.5in Pol Quad Tips Fits Factory Perf Exhaust DeletesAFM
The Corsa 21103 3-inch Valved Cat-Back Exhaust with 4.5-inch Polished Quad Tips establishes the pinnacle of tunable performance and sound control for 2020–2025 Chevrolet Corvette C8 Stingray models equipped with factory NPP, delivering dyno-proven +18 hp and +16 lb-ft torque gains through mandrel-bent 304 stainless steel construction that maximizes flow while retaining dual NPP valves for seamless volume adjustment without drone or CEL, outperforming restrictive OEM setups or non-valved aftermarket systems in throttle response and exhaust harmony. Designed to delete the stock AFM valve while preserving actuator integration, this system offers Xtreme sound levels that roar aggressively under full throttle yet whisper quietly in touring mode, with RSC No Drone Technology ensuring cabin comfort during highway cruises or city drives. The quad polished tips and cast valve assemblies handle the mid-engine layout's heat demands, providing enthusiasts a bolt-on upgrade that enhances the LT2 V8's character across rev ranges better than pieced-together components from other sources.
Key Features
- 3-Inch Mandrel-Bent 304 Stainless: Ensures unrestricted flow for maximum power and torque delivery
- Retained NPP Dual Valves: Integrates with factory actuators for quiet/loud modes without CEL
- AFM Valve Delete: Actuator jumper prevents errors while optimizing exhaust geometry
- 4.5-Inch Polished Quad Tips: Angled outlets enhance aesthetics and heat dissipation
- RSC No Drone Technology: Eliminates resonance in all modes for comfortable cruising
- Cast Valve Assemblies: Redesigned for C8 heat resistance with lifetime durability
- USA-Made Construction: Robot-welded with lifetime warranty for track and street
Product Notes
- Requires factory NPP exhaust; deletes AFM valve but retains touring/4-cylinder quiet mode
- Produces +9 dB louder max volume, -1 dB quieter in tour mode than stock
- Intended for NPP-equipped C8 Stingray; not for Z06 or E-Ray without verification
- Supports up to 500+ hp tunes; professional dyno tuning recommended for max gains
- Warranty: Corsa's lifetime limited warranty against defects
- Shipping: Oversized freight required due to length
Installation Notes
- Bolt-on replacement from mid-pipe back using factory hangers and clamps
- Install jumper harness on AFM actuator to prevent CEL torque flanges to 25-30 Nm
- Verify valve sync with key fob or switch post-install
- Check ground clearance with quad tips no modifications to cat or headers needed
- Tools required: Jack stands, 14mm sockets, torque wrench, est. time: 1-2 hours
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2020–2025 | Chevrolet | Corvette C8 Stingray | Factory NPP equipped; 6.2L LT2 V8 |
What's Included in the Purchase
- Complete cat-back assembly with dual NPP valves and mid-pipe
- Quad 4.5-inch polished stainless tips
- AFM delete jumper harness
- Bolt-on hardware, gaskets, and clamps
- Installation manual (PDF)
Part Weight: 68 lbs | Shipping Box Dimensions: 58 in × 14 in × 10 in
Why Choose Corsa 21103?
- Engineered for C8 mid-engine layout with dyno-tuned flow and valve control
- Proven drone-free in all modes for daily and track versatility
- USA-built with premium materials for lifetime performance
Frequently Asked Questions
-
Q: Does it trigger a check engine light?
A: No, included jumper deletes AFM without errors while keeping NPP functional -
Q: How loud is it compared to stock?
A: +9 dB max louder, -1 dB quieter in tour mode with no drone -
Q: Fits Z06 models?
A: Designed for Stingray NPP verify for Z06 with separate headers
Shipping & Handling
- Method: Truck freight, lift gate available for residential
- Availability: In stock, ships 1-2 business days
- Packaging: Foam-wrapped sections to prevent damage
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