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A Subtle Upgrade for a More Refined Mustang GT Exhaust Note
The CORSA 21257 Touring axle-back exhaust system gives your 2024 Ford Mustang GT a smoother tone with a straightforward bolt on upgrade. This 3.0 inch dual rear exit system includes polished 4.5 inch straight cut tips and is built entirely from 304 stainless steel.
Key Features
- 304 stainless steel axle-back construction
- 3.0 inch dual rear exit piping
- Polished 4.5 inch straight cut tips included
- Reflective Sound Cancellation technology reduces drone
- Direct bolt on fitment at axle-back connection
- Touring sound level for daily comfort
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2024 | Ford | Mustang | GT |
Specifications
| Detail | Value |
|---|---|
| Pipe Diameter | 3.0 in |
| Tip Size | 4.5 in |
| Tip Finish | Polished Straight Cut |
| Sound Level | Touring |
| Material | 304 Stainless Steel |
| Exit | Dual Rear Exit |
| UPC | 847466030291 |
What's Included
- CORSA 21257 axle-back exhaust system
- Muffler assembly with 4.5 in polished straight cut tips
- Mounting hardware and clamps
- Installation instructions
About CORSA Performance
CORSA Performance has engineered award winning exhaust systems since 1988, pioneering Reflective Sound Cancellation technology that removes unwanted drone while preserving an aggressive tone. Every system is built from 304 stainless steel in the USA and backed by a limited lifetime warranty.
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Frequently Asked Questions
What is the 21257?The 21257 is a CORSA Performance exhaust system engineered for a direct bolt on upgrade, built from 304 stainless steel with CORSA's Reflective Sound Cancellation technology for an aggressive, drone free tone.
What tips come with this product?This product includes polished 4.5 inch straight cut tips.
Is this product louder than the factory exhaust?This product uses Touring sound tuning, offering a moderate tone increase over the factory system without being overly loud.
Does this product replace the entire exhaust system?No, this product is an axle-back system that replaces only the rear muffler section.
Can I install the 21257 without a lift?Yes, the 21257 can be installed with jack stands, though a lift makes the process easier.
What material is used in this product?This product is built from 304 stainless steel for corrosion resistance.
Does this product include a warranty?Yes, this product is backed by CORSA's limited lifetime warranty.
Does this product fit factory exhaust hangers?Yes, this product is designed to bolt directly to the factory Mustang GT hangers.
How long does this product installation take?Most installers complete this product installation in about one hour.
Installation Instructions
- Raise and safely support the vehicle on a lift or jack stands.
- Allow the factory exhaust system to cool completely before beginning work.
- Apply penetrating lubricant to factory exhaust hangers and clamps.
- Remove the factory exhaust section starting at the muffler hangers.
- Disconnect the factory exhaust at the mid pipe or axle-back connection point.
- Test fit the new system, aligning hangers and slip joints before tightening.
- Tighten all clamps and hangers once alignment and tip position are confirmed.
- Start the vehicle and inspect all joints for leaks, then torque to final spec.
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.
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