-8%
Click to zoom in
Precision Tuned for the 7th Gen Mustang GT
The CORSA 21261BLK Sport Valved Axle-Back exhaust is part of CORSA's Active Exhaust Collection for the 2024 and newer Ford Mustang GT 5.0L V8. Built from premium 304 stainless steel with Corsa-designed valves, this system pairs a 3.0 in axle-back design with twin 4.0 in black Pro-Series tips for custom tuned sound tailored to the Coyote V8.
Key Features
- 3.0 in 304 stainless steel axle-back construction, part number 21261BLK
- Twin 4.0 in black Pro-Series tips
- Sport Valved sound level custom tuned for the Coyote V8
- Corsa-designed valves and custom-tuned mufflers
- No-drone RSC Technology for refined highway cruising
- Limited lifetime warranty, engineered and built in the USA
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2024-2025 | Ford | Mustang | GT |
5.0L V8 Coupe equipped with the factory Active Valve Exhaust system.
Specifications
| Detail | Value |
|---|---|
| Part Number | 21261BLK |
| Pipe Diameter | 3.0 in |
| Tip Size | Twin 4.0 in |
| Tip Finish | Black Pro-Series |
| Sound Level | Sport Valved |
| Material | 304 Stainless Steel |
| UPC | 847466027321 |
What's Included
- CORSA 21261BLK axle-back exhaust system
- Twin 4.0 in black Pro-Series tips
- Mounting clamps and hardware
- Installation instructions
About CORSA Performance
CORSA Performance designs and manufactures performance exhaust systems, cold air intakes, and carbon fiber accessories in Berea, Ohio. The Active Exhaust Collection for the 7th generation Mustang uses Corsa-designed valves and custom-tuned mufflers to deliver a tailored sound experience, all backed by a limited lifetime warranty.
Related Parts on Our Site
- Corsa 2015-2017 Ford Mustang GT 5.0 3in Axle Back Exhaust Black Quad Tips (Sport)
- Corsa 2016-2024 Chevrolet Camaro SS / ZL1 Valved Axle-Back Exhaust w/ Black Carbon Fiber Quad Tips
Frequently Asked Questions
What is the 21261BLK?The CORSA 21261BLK is a 3.0 in Sport Valved axle-back exhaust system for the 2024 and newer Ford Mustang GT 5.0L V8, finished with twin 4.0 in black Pro-Series tips.
Does the 21261BLK work with the factory Active Valve Exhaust?Yes, this system is engineered to integrate with the 7th generation Mustang's factory Active Valve Exhaust system.
What sound level does the 21261BLK provide?Sport Valved, custom tuned for the Coyote V8 engine to balance an aggressive tone with cruising refinement.
What is the UPC for the 21261BLK?The UPC for part 21261BLK is 847466027321.
Is professional installation required for the 21261BLK?No welding or cutting is required. Installation is bolt-on using factory hangers and supplied clamps.
Does the 21261BLK come with a warranty?Yes, CORSA backs this system with a limited lifetime warranty against manufacturing defects.
What tip finish does the 21261BLK use?Part 21261BLK features twin 4.0 in black finished Pro-Series tips.
Is the 21261BLK made in the USA?Yes, CORSA exhaust systems are engineered and manufactured in the United States.
Installation Instructions
- Raise and safely support the vehicle, then allow the exhaust to cool completely.
- Remove the factory axle-back exhaust section at the mid-pipe connection.
- Position the CORSA 21261BLK axle-back system and align with factory hangers.
- Install the supplied clamps at each connection point without fully tightening.
- Reconnect the factory Active Valve Exhaust actuator wiring.
- Adjust tip alignment so both tips are centered and parallel with the rear bumper.
- Torque all clamps to specification starting from the front of the system.
- Start the engine, verify valve operation across drive modes, and check for leaks.
WARNING: This product can expose you to chemicals including nickel compounds, which are known to the State of California to cause cancer, and carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Axle Back
Systems by Brand, Sound, and Vehicle Application Browse premium axle-back exhaust systems at Black Ops Auto Works, including performance-focused upgrades from trusted brands like MBRP, Borla, Corsa, aFe, Injen, REMARK, ISR Performance, Kooks, Torque Solution, and AWE. This collection is built for enthusiasts looking to improve exhaust sound, rear-section styling, and overall driving experience without replacing the full exhaust system. Whether you are upgrading a daily driver, muscle car, sport compact, truck, or SUV, our axle-back exhaust collection helps you find high-quality systems designed for aggressive tone, clean fitment, and long-term durability. Axle-Back Exhaust Systems for Sound, Style, and Performance Axle-back exhaust systems are a popular upgrade for drivers who want to change the rear section of the exhaust for a more distinctive tone and a more aggressive appearance. This collection supports shoppers searching for: Axle-back exhaust Axle-back muffler systems Perfor...
View Axle Back Products
CORSA Performance
CORSA Performance exhaust systems and cold air intakes are engineered for enthusiasts who want aggressive sound, controlled cabin noise, premium materials, and vehicle-specific fitment. Shop CORSA cat-back exhausts, axle-back exhausts, Xtreme systems, Sport systems, Touring systems, active-valve exhausts, carbon fiber intakes, cold air intakes, mufflers, resonators, X-pipes, H-pipes, exhaust tips, catch cans, and performance accessories at Black Ops Auto Works. This collection includes CORSA Performance parts for popular Dodge, Jeep, RAM, Ford, Chevrolet, Cadillac, GMC, Corvette, Camaro, Mustang, F-150, Silverado, Sierra, Grand Cherokee Trackhawk, Durango SRT Hellcat, Challenger, Charger, Corvette C8, Camaro ZL1, Cadillac CT4-V Blackwing, Cadillac CT5-V Blackwing, and other performance platforms. Shop CORSA Performance Parts by Category Browse CORSA products by vehicle, exhaust style, sound level, intake type, finish, and performance goal. CORSA cat-back exhaust systems CORSA axle-...
View CORSA Performance Products
Exhaust Systems
Performance exhaust systems improve exhaust sound, flow, appearance, and driving character for cars, trucks, SUVs, Jeeps, diesel vehicles, and high-performance builds. Shop more than 7,400 cat-back exhausts, axle-back systems, headers, downpipes, mid-pipes, X-pipes, H-pipes, mufflers, resonators, catalytic converters, exhaust tips, valve controllers, and installation hardware at Black Ops Auto Works. This collection includes exhaust upgrades from trusted brands such as Borla, CORSA Performance, MagnaFlow, MBRP, Kooks Headers, AWE Tuning, Akrapovič, Thermal R&D, Solo Performance, Invidia, Gibson, BBK, Stainless Works, Mishimoto, HKS, ISR Performance, Fabspeed, Granatelli, Formula Z, and CornerStone Performance. Use the filters to shop by vehicle, exhaust type, material, pipe diameter, exit configuration, tip finish, sound level, and emissions requirements. Shop Performance Exhaust Systems by Category Choose the exhaust category that matches your performance goal, preferred sound,...
View Exhaust Systems Products
Ford Mustang Parts & Accessories
Shop Ford Mustang parts and accessories at Black Ops Auto Works for premium aftermarket performance parts, suspension upgrades, brake kits, exhaust systems, cold air intakes, carbon fiber body parts, lighting upgrades, fuel system components, and styling accessories. Whether you drive a classic Ford Mustang, SN95, New Edge, S197, S550, S650, Mustang EcoBoost, Mustang GT, Mach 1, Shelby GT350, Shelby GT500, or Dark Horse, this collection is built for enthusiasts who want better power, handling, braking, airflow, drivability, and aggressive styling. From daily-driven street cars to drag builds, track cars, and show cars, our selection of Ford Mustang aftermarket parts is curated for fitment, quality, and performance. Shop Ford Mustang Performance Parts by Category Browse Mustang performance parts across popular upgrade categories, including: Ford Mustang cold air intakes and intake parts Ford Mustang brake pads, brake rotors, and brake kits Ford Mustang exhaust systems, cat-back exha...
View Ford Mustang Parts & Accessories Products