OAO Valvetronic Exhaust System for BMW G80 M3 & G82 M4 S58 3.0L Twin-Turbo

Unleash the Aggressive Character of the S58

Engineered for the BMW G80 M3 and G82 M4, the OAO Valvetronic Exhaust System is designed to enhance the performance character and exhaust sound of BMW's S58 3.0L twin-turbocharged inline-six.

Combining electronically controlled exhaust valves, a high-flow exhaust configuration, premium stainless-steel construction, and precision TIG welding, the system allows you to switch between a refined exhaust note and a more aggressive performance sound.

Refined when closed. Aggressive when open. Pure M performance.

Key Features

• Designed for BMW G80 M3 / G82 M4

• S58 3.0L Twin-Turbocharged Inline-6

• Valvetronic Electronically Controlled Exhaust System

• High-Flow Performance Exhaust Design

• Premium Stainless Steel Construction

• Precision TIG Welding

• Electronic Exhaust Valve Control

• Refined Sound with Valves Closed

• Aggressive Sport Sound with Valves Open

• Direct-Fit Design

• Premium Performance Exhaust Tips

• OEM-Style Mounting Concept

• Designed for Enhanced Exhaust Flow and Sound

Intelligent Valvetronic Exhaust Control

The integrated electronic valve system gives the driver greater control over the exhaust character of the G80 M3 and G82 M4.

Valve Closed — Refined & Controlled

With the valves closed, exhaust gases follow a more controlled path to provide a quieter and more refined exhaust experience.

Ideal for:

• Daily driving

• City cruising

• Highway driving

• Long-distance travel

• Comfortable operation

This configuration maintains a more discreet exhaust character while preserving the everyday usability of the M3 and M4.

Valve Open — Full M Performance Sound

Open the valves and experience a stronger, deeper, and more aggressive exhaust note.

The freer-flowing exhaust path increases exhaust presence during acceleration and gives the S58 a more performance-oriented character.

Ideal for:

• Sport driving

• Dynamic acceleration

• High-load conditions

• Weekend driving

• Track and performance applications

One system. Two personalities. Complete control.

Engineered for the BMW S58

The G80 M3 and G82 M4 are powered by BMW's S58 3.0L twin-turbocharged inline-six, combining strong low-end torque with high-RPM performance.

The OAO Valvetronic Exhaust System is engineered to complement the S58 powertrain with a performance-oriented exhaust configuration designed for improved flow and a more engaging exhaust character.

From everyday cruising to spirited acceleration, the system provides greater control over how the M3 or M4 sounds and feels.

High-Flow Performance Exhaust Design

The OAO exhaust system utilizes an optimized internal configuration designed to improve exhaust gas flow and reduce unnecessary restriction.

The performance-oriented routing is engineered to deliver a more responsive exhaust character while creating a stronger and more aggressive sound when the valves are open.

Potential benefits include:

• Improved exhaust flow

• Reduced exhaust restriction

• Stronger exhaust presence

• More pronounced acceleration sound

• Sportier driving character

• Enhanced S58 exhaust experience

Actual performance gains may vary depending on the vehicle configuration and other modifications.

Premium Stainless Steel Construction

Constructed from high-quality stainless steel, the OAO Valvetronic Exhaust System is designed to withstand the high temperatures and demanding conditions associated with a high-performance turbocharged engine.

The material provides an excellent balance of:

• Strength

• Durability

• Heat resistance

• Corrosion resistance

• Performance

• Premium appearance

Precision TIG Welding

Key exhaust components are precision TIG welded to achieve clean joints, consistent fabrication, and reliable structural integrity.

Careful fabrication and welding help ensure proper fitment while maintaining the premium appearance expected from a high-performance aftermarket exhaust system.

Enhanced S58 Sound

The OAO Valvetronic Exhaust System is designed to enhance the sound character of BMW's S58 engine without sacrificing the versatility required for everyday driving.

With the valves closed, the system provides a more controlled and refined exhaust note.

With the valves open, the exhaust becomes noticeably stronger and more aggressive under acceleration.

The system is designed to enhance:

• Low-RPM exhaust character

• Acceleration sound

• Turbocharged inline-six presence

• High-RPM exhaust note

• Sport driving experience

More sound. More character. More M.

Designed for G80 M3 & G82 M4

The system is developed specifically around the G80 M3 and G82 M4 platform.

Its electronically controlled valve design allows the exhaust character to adapt to different driving conditions while maintaining the performance-oriented identity of BMW M.

Whether you're commuting through the city or enjoying a spirited drive, the OAO Valvetronic system gives you greater control over the sound of the S58.

Premium Performance Exhaust Tips

The system is finished with premium exhaust tips designed to complement the aggressive rear styling of the G80 M3 and G82 M4.

The upgraded appearance adds a more purposeful performance look while maintaining the distinctive design language of the BMW M platform.

Direct-Fit Design

The OAO Valvetronic Exhaust System is engineered around the original G80/G82 exhaust architecture for a direct-fit installation concept.

Vehicle-specific exhaust routing and mounting considerations help maintain proper alignment and clearance.

Professional installation is recommended to ensure:

• Correct exhaust alignment

• Proper mounting

• Valve functionality

• Electrical connections

• Adequate heat clearance

• Leak-free installation

Vehicle Fitment

Brand: BMW
Models: G80 M3 / G82 M4
Engine: S58 3.0L Twin-Turbocharged Inline-6
Exhaust Type: Valvetronic Exhaust System
Valve Type: Electronic Valve Control
Material: Stainless Steel
Installation: Direct-Fit Design

Compatible Applications

• BMW G80 M3

• BMW G80 M3 Competition

• BMW G82 M4

• BMW G82 M4 Competition

Please confirm your exact model year, drivetrain, body configuration, and original exhaust layout before ordering.

Package Includes

• 1 × OAO Valvetronic Exhaust System

• Electronic Exhaust Valves

• Valve Control Components

• Mounting Hardware

• Installation Accessories

Package configuration may vary depending on the selected exhaust specification.

Installation

Professional installation is strongly recommended.

Installation should be performed by an experienced exhaust specialist familiar with BMW M vehicles and electronically controlled exhaust systems.

After installation, inspect:

• Exhaust alignment

• Mounting points

• Exhaust clearance

• Valve operation

• Electrical connections

• Exhaust leakage

ECU & Emissions Notes

This is a performance-oriented exhaust system designed primarily to enhance exhaust flow, sound, and driving character.

Depending on the exact configuration and local regulations, exhaust modifications may affect vehicle noise compliance, emissions requirements, inspection requirements, or other vehicle functions.

Please verify applicable local laws and regulations before installation and use.

Important Notes

• Confirm exact vehicle configuration before ordering.

• G80 M3 and G82 M4 exhaust configurations may vary depending on model year and drivetrain.

• Professional installation is recommended.

• Exhaust volume varies depending on valve position and vehicle configuration.

• ECU tuning is not included unless specifically stated.

• Additional modifications may affect overall exhaust sound and performance.

• Check local emissions and noise regulations before installation.

Why Choose OAO Performance?

OAO Performance combines premium materials, precision fabrication, and advanced valve technology to create performance exhaust systems for modern high-performance vehicles.

For the G80 M3 and G82 M4, our goal is to enhance the character of the S58 while maintaining the versatility of the BMW M platform.

Every system is developed with attention to:

• Exhaust flow

• Sound

• Fitment

• Valve functionality

• Durability

• Precision fabrication

• Premium appearance

Experience the S58 Differently

The BMW G80 M3 and G82 M4 combine everyday usability with serious performance.

The OAO Valvetronic Exhaust System adds a more distinctive character to that experience, giving the driver greater control over exhaust sound and performance personality.

Quiet when you need it.
Aggressive when you want it.
M performance whenever you open the valves.

OAO Performance — Unleash Your Drive.