The Ultimate GT350 Driver's Exhaust
The CORSA Performance 21098 dual rear axle-back exhaust is engineered for 2015-2020 Ford Mustang Shelby GT350 and GT350R 5.2L V8 owners who want a bold, refined exhaust note without drone. Built from aircraft grade stainless steel, the 21098 pairs CORSA's Reflective Sound Cancellation technology with a mandrel bent path to unlock hidden power while keeping cabin noise civilized at cruise.
Key Features
- Reflective Sound Cancellation (RSC) Technology eliminates interior drone
- 304 stainless steel construction resists corrosion for the life of the vehicle
- Dual rear exit configuration for a purposeful stance
- Mandrel bent tubing maximizes exhaust flow and gas velocity
- Straight through perforated core mufflers reduce backpressure
- Direct bolt on installation using existing factory hangers
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2015-2020 | Ford | Mustang | Shelby GT350 |
| 2016-2020 | Ford | Mustang | Shelby GT350R |
Specifications
| Detail | Value |
|---|---|
| MPN | 21098 |
| Part Type | Axle-Back Exhaust |
| Material | 304 Stainless Steel |
| Exit Configuration | Dual Rear Exit |
| Sound Level | Aggressive Street/Track Tone |
| UPC | Contact CORSA for UPC verification |
What's Included
- Complete CORSA Performance axle-back exhaust assembly
- All necessary clamps and hardware
- Installation instructions
- Limited lifetime warranty registration card
About CORSA Performance
CORSA Performance is an American manufacturer of performance exhaust systems based in Berea, Ohio. Known for its patented Reflective Sound Cancellation technology, CORSA builds every system in house using domestic stainless steel to deliver a distinctive, drone free exhaust note backed by a limited lifetime warranty.
Related Parts on Our Site
- CORSA Performance Mustang GT350 Cat-Back Exhaust
- CORSA Performance Exhaust Tip Kits
- CORSA Performance Air Intake Systems
Frequently Asked Questions
What is the 21098?The 21098 is a CORSA Performance dual rear exit axle-back exhaust engineered for the 2015-2020 Ford Mustang Shelby GT350 and GT350R 5.2L V8.
Will this exhaust void my factory warranty?Installing an aftermarket exhaust does not automatically void your factory warranty under the Magnuson Moss Warranty Act, though dealers may dispute claims related to modified components.
Does this exhaust require any cutting or welding?No, this system is designed as a direct bolt on replacement using factory hangers and connection points.
Is this exhaust legal in California?Check the product listing and CARB status tags for this specific part number before purchasing if you reside in a state with strict emissions requirements.
What tools are needed for installation?A basic set of hand tools, a jack and jack stands or a lift, and penetrating oil for factory hardware are typically sufficient.
How does the 21098 sound compared to stock?Expect a noticeably deeper, more aggressive tone at startup and under acceleration, with CORSA's RSC technology keeping highway cruising drone free.
Does CORSA offer a warranty on this exhaust?Yes, CORSA Performance backs this system with a limited lifetime warranty against manufacturing defects.
Can I install this exhaust myself at home?Most installations can be completed in under two hours in a home garage with basic tools and a way to safely lift the vehicle.
Installation Instructions
- Raise and safely support the vehicle on a lift or jack stands
- Allow the exhaust system to cool completely before beginning work
- Apply penetrating oil to factory clamps and hangers
- Remove the factory axle-back section being replaced
- Position the new CORSA components and loosely secure all clamps
- Align tips evenly and torque all clamps to specification
- Lower the vehicle and inspect for proper clearance
- Start the engine and check for leaks at every joint
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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