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Precision-Tuned Performance Exhaust for the BMW M3 S65 V8
The CORSA 14568 is a 2.5-inch Sport axle-back exhaust system engineered for the 2008-2012 BMW M3 with the 4.0L S65 V8 engine. CORSA's patented Reflective Sound Cancellation (RSC) technology is calibrated specifically to the S65's high-revving character, delivering a refined, aggressive European performance exhaust note at full throttle while keeping the cabin completely drone-free during daily driving. The system is built from mandrel-bent T304 stainless steel and exits through twin 3.0-inch polished Pro-Series tips that complement the M3's premium aesthetic without overpowering it.
Key Features
- CORSA RSC technology tuned to the S65 V8 for European performance character
- 2.5-inch mandrel-bent T304 stainless steel construction
- Twin 3.0-inch polished Pro-Series exhaust tips
- Sport sound level: refined yet distinctly more aggressive than stock
- Fits 2008-2012 BMW M3 Coupe, Sedan, and Convertible with S65 V8
- Direct bolt-on axle-back installation
- CORSA limited lifetime warranty
- Assembled in Berea, Ohio, USA
Vehicle Fitment
| Year Range | Make | Model |
|---|---|---|
| 2008-2012 | BMW | M3 |
Specifications
| Detail | Value |
|---|---|
| MPN | 14568 |
| UPC | 847466016218 |
| Pipe Diameter | 2.5 inches |
| System Type | Axle-Back |
| Sound Level | Sport |
| Tip Style | Twin 3.0-inch Polished Pro-Series |
| Exit | Dual Rear Exit |
| Material | T304 Stainless Steel |
| Engine | 4.0L V8 S65 |
| Warranty | Limited Lifetime |
What's Included
- 1x CORSA 14568 Sport axle-back muffler assembly
- Twin 3.0-inch polished Pro-Series exhaust tips
- All hardware and clamps for installation
About CORSA Performance
Founded in 1989 in Berea, Ohio, CORSA Performance invented Reflective Sound Cancellation technology and applies it across a wide range of vehicles from American muscle to European performance cars. Every CORSA system is built from T304 aircraft-grade stainless steel with mandrel-bent tubing and a limited lifetime warranty, assembled in the USA.
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Frequently Asked Questions
What is the CORSA 14568?The CORSA 14568 is a 2.5-inch Sport axle-back exhaust system for the 2008-2012 BMW M3 with the 4.0L S65 V8 engine. It uses CORSA's RSC technology to deliver a refined, aggressive performance exhaust note that enhances the S65 V8 character without adding highway drone.
Does the CORSA 14568 fit the M3 Coupe, Sedan, and Convertible?The CORSA 14568 is designed for the 2008-2012 BMW M3 with the S65 4.0L V8 engine across available body styles. Fitment should be confirmed via CORSA's vehicle selector for specific body style compatibility.
How does CORSA 14568 compare to the factory M3 exhaust sound?The factory BMW M3 S65 exhaust is already notably tuned, but the CORSA 14568 Sport system adds a more aggressive, throatier note under full throttle while retaining a refined character at idle and highway cruise through RSC technology.
Does the 14568 require any modifications?No. The CORSA 14568 is a direct bolt-on axle-back replacement that does not require cutting, welding, or modifications to the factory mid-pipes or emission system.
Is the CORSA 14568 drone-free at highway speeds?Yes. CORSA's RSC technology is calibrated to the specific frequency characteristics of the S65 V8 to eliminate the resonance that causes drone at highway RPM, delivering a performance sound that remains comfortable for long-distance driving.
Will this affect my BMW M3 warranty?Aftermarket exhaust modifications may affect warranty coverage for emissions-related components. Consult your BMW dealer. CORSA provides its own limited lifetime warranty on the 14568 system.
What is the sound level difference between CORSA Sport and Xtreme on the M3?The Sport level on the 14568 delivers a distinctly more aggressive note than stock while remaining refined and appropriate for daily driving. The Xtreme level is louder and more aggressive under wide-open throttle for enthusiasts who want maximum performance sound.
How is the 14568 installed?The CORSA 14568 is a bolt-on axle-back replacement that connects at the factory mid-pipe outlets using the factory hanger positions. Most installations take 1 to 2 hours with basic hand tools.
Installation Instructions
- Safely raise and support the BMW M3 on rated jack stands
- Allow the factory exhaust to cool completely
- Disconnect the factory axle-back at the mid-pipe connection points
- Remove the factory muffler assembly
- Test-fit the CORSA 14568 before tightening any hardware
- Attach to factory rubber hangers and install all supplied clamps
- Torque all connections to specification and verify tip symmetry
- Start engine and check all joints for exhaust leaks
Prop 65 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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