Corsa Sport Valved 3.0" Axle-Back with 4.0" Black Slash Tips (21261BLK) - 2024-2026 Ford Mustang GT 5.0L
Upgrade the sound of your 2024-2026 Ford Mustang GT while retaining the versatility of the factory Active Valve Exhaust system with the Corsa Sport Valved 3.0" Axle-Back Exhaust. Engineered specifically for the seventh-generation S650 Mustang GT 5.0L V8, the 21261BLK combines premium 304 stainless steel construction, Corsa-designed valves, custom-tuned mufflers, and Corsa No Drone RSC Technology with quad 4.0" black Pro-Series slash-cut tips.
Designed to integrate seamlessly with the Mustang's OEM Active Exhaust functionality, the precision acoustic-tuned Sport system produces more than 5 dB of additional exhaust volume beyond the factory system with the valves open. It delivers a roaring exhaust note during cold starts and heavy acceleration while retaining a quiet, drone-free cabin during cruising.
Sport to Touring Active Exhaust Sound
The Corsa 21261BLK provides a Sport to Touring Active sound range, giving Mustang GT owners a substantial increase in exhaust character while preserving the versatility of Ford's factory Active Valve Exhaust system.
With the valves open, Corsa's Sport configuration produces more than 5 decibels of additional sound compared with the OEM exhaust. This gives the 5.0L Coyote V8 a stronger, more aggressive voice during cold starts and acceleration without requiring the maximum volume of an Xtreme system.
The active valve functionality also allows the exhaust character to become more restrained when maximum volume is not desired, making the system well suited to a Mustang that sees both spirited driving and regular street use.
OEM Active Valve Exhaust Integration
Corsa engineered the 21261BLK specifically for Mustang GT models equipped with the factory Active Valve Exhaust system. Corsa-designed valves integrate with the OEM Active Exhaust functionality, allowing the vehicle's factory sound-control features to remain part of the driving experience.
The factory Active Exhaust Module must be used during installation. This Axle-Back is intended only for vehicles originally equipped with Active Valve Exhaust and is not designed as a conversion for non-valved Mustang GT models.
Custom-Tuned for the Seventh-Generation Coyote V8
The mufflers used in the Corsa 21261BLK are custom tuned specifically around the acoustic characteristics of the seventh-generation Mustang's 5.0L Coyote V8. This application-specific engineering allows Corsa to create a stronger performance exhaust note while maintaining the refinement expected from a premium valved exhaust system.
Rather than simply increasing overall volume, Corsa precision acoustic tunes the system to deliver the desired Sport exhaust character across the Mustang's operating range.
Corsa No Drone RSC Technology
Corsa's pioneering No Drone RSC Technology helps control unwanted frequencies that can create irritating interior resonance. This allows the 21261BLK to produce a roaring exterior exhaust note during acceleration while maintaining a quiet, drone-free cabin during cruising.
The combination of Active Exhaust functionality and RSC acoustic technology gives Mustang GT owners the ability to enjoy a significantly more aggressive exhaust without sacrificing everyday cruising comfort.
Nearly 20% Increased Exhaust Flow
The Corsa 21261BLK uses straight-through muffler construction to increase exhaust flow by nearly 20% compared with the factory exhaust. The reduced restriction allows the 5.0L Coyote V8 to breathe more freely and helps drivers optimize the benefits of additional performance modifications.
This performance-focused internal design gives the Axle-Back benefits beyond sound and appearance while maintaining the factory Active Exhaust functionality.
Premium 304 Stainless Steel Construction
Corsa constructs the 21261BLK from premium 304 stainless steel for excellent durability and corrosion resistance. The material is designed to withstand repeated exhaust heat cycles along with exposure to moisture, road debris, and changing weather conditions.
The premium construction complements the system's application-specific acoustic engineering and makes the 21261BLK a long-term exhaust upgrade for the S650 Mustang GT.
3.0" Valved Axle-Back Design
The Corsa 21261BLK features a 3.0" Axle-Back configuration with a dual rear exit. The system replaces the factory rear exhaust section with Corsa-designed valves and custom-tuned straight-through mufflers while retaining integration with the Mustang's OEM Active Exhaust controls.
For owners who want to substantially improve the sound, flow, and appearance of their Mustang without replacing the complete Cat-Back system, the 21261BLK provides a focused rear exhaust upgrade.
Quad 4.0" Black Pro-Series Slash-Cut Tips
The 21261BLK finishes the Mustang GT with four 4.0" black Pro-Series exhaust tips. Twin tips are positioned at each rear exit, maintaining the aggressive quad-tip appearance of the Active Exhaust-equipped S650 Mustang while giving the rear of the car a darker, more performance-focused look.
Each Pro-Series tip features dual-wall construction with Corsa's distinctive slash-cut profile. The black finish provides a stealthier appearance than the polished 21261 configuration while retaining the same premium construction and substantial 4.0" diameter.
Engineered for the S650 Mustang GT
The Corsa 21261BLK is engineered specifically for 2024-2026 Ford Mustang GT 5.0L V8 Fastback models equipped with factory Active Valve Exhaust. Its valves, mufflers, acoustic tuning, 3.0" piping, and exhaust tip configuration are developed around the seventh-generation Mustang platform.
For Mustang GT owners who want a more aggressive Sport exhaust note while retaining OEM sound control and comfortable cruising characteristics, the 21261BLK provides a complete valved Axle-Back solution.
Made in the USA with a Lifetime Warranty
Corsa Performance seventh-generation Mustang exhaust systems are engineered and manufactured in Berea, Ohio. The 21261BLK is backed by Corsa's Lifetime Warranty, reflecting the company's commitment to quality, durability, and performance.
Features
- Designed for 2024-2026 Ford Mustang GT 5.0L V8 Fastback models
- For vehicles equipped with factory Active Valve Exhaust only
- 3.0" valved Axle-Back exhaust system
- Sport to Touring Active sound level
- More than 5 dB louder than the OEM exhaust with the valves open
- Corsa-designed exhaust valves
- Integrates with OEM Active Exhaust functionality
- Custom-tuned mufflers developed specifically for the seventh-generation Mustang Coyote V8
- Corsa No Drone RSC Technology
- Roaring exhaust character during cold starts and heavy acceleration
- Designed for a quiet, drone-free cabin during cruising
- Straight-through muffler construction
- Nearly 20% increased exhaust flow
- Premium 304 stainless steel construction
- Dual rear exit configuration
- Quad-tip exhaust layout
- Four 4.0" black Pro-Series exhaust tips
- Dual-wall tip construction
- Slash-cut tip design
- Black exhaust tip finish
- Engineered and manufactured in Berea, Ohio
- Made in the USA
- Backed by Corsa's Lifetime Warranty
Fitment
- 2024 Ford Mustang GT 5.0L V8 Fastback with Factory Active Valve Exhaust
- 2025 Ford Mustang GT 5.0L V8 Fastback with Factory Active Valve Exhaust
- 2026 Ford Mustang GT 5.0L V8 Fastback with Factory Active Valve Exhaust
Fitment Notes
- For vehicles equipped with factory Active Valve Exhaust only.
- Must use the factory Active Exhaust Module for installation.
- Retains integration with the OEM Active Exhaust functionality.
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