OAO Valved Cat-Back Exhaust System for Audi S6 / S7 C8 2.9T V6 T304 Stainless Steel Performance Exhaust 2019+

Refine and Enhance Your Audi Performance Sound

Designed specifically for the Audi S6 and S7 C8 platform, the OAO Valved Cat-Back Exhaust System is engineered to improve exhaust flow, enhance sound quality, and deliver a more dynamic driving experience for the 2.9L twin-turbocharged V6 engine.

This system transforms the factory exhaust note into a deeper, more aggressive, and more refined performance sound while maintaining Audi’s signature luxury comfort.

Constructed from premium T304 stainless steel and precision TIG welded throughout, the OAO exhaust system ensures long-term durability, corrosion resistance, and OEM-level fitment.

Key Features

✓ Designed for Audi S6 C8 & Audi S7 C8

✓ 2.9L Twin-Turbocharged V6 Platform

✓ Premium T304 Stainless Steel Construction

✓ Electronic Valved Exhaust System

✓ High-Flow Cat-Back Design

✓ Precision TIG Welded

✓ Direct Bolt-On Installation

✓ Improved Exhaust Flow Efficiency

✓ Reduced Exhaust Backpressure

✓ Enhanced Turbocharged Sound Character

✓ Lightweight Performance Construction

✓ OEM-Level Fitment

Intelligent Valve Control System

Comfort Mode

With the valves closed, the exhaust system delivers a smooth and refined driving experience suitable for daily use and long-distance cruising.

Ideal for:

• City Driving

• Highway Cruising

• Daily Commuting

• Reduced Cabin Noise

Sport Mode

Open the valves and unlock the true performance character of the Audi 2.9T V6.

Benefits include:

• Louder Exhaust Sound

• Deeper Exhaust Tone

• Enhanced Turbocharged Character

• Sharper Acceleration Acoustics

• Increased Driving Engagement

• Sport-Inspired Exhaust Experience

Performance Benefits

The OAO Cat-Back Exhaust System is designed to improve exhaust efficiency while enhancing driving enjoyment.

Potential benefits may include:

• Improved Exhaust Flow

• Reduced Backpressure

• Sharper Throttle Response

• Enhanced Turbo Sound

• Improved Engine Character

• More Engaging Driving Feel

Performance gains may vary depending on ECU calibration and supporting modifications.

Sound Characteristics

The OAO Audi C8 exhaust system is tuned to deliver:

• Deep and Refined Idle Tone

• Rich Mid-Range Sound

• Enhanced Turbo Acoustics

• Strong V6 Performance Character

• Aggressive Sport Mode Sound

• Comfortable Highway Cruising Tone

Designed to balance luxury refinement with sporty Audi RS-inspired acoustics.

Premium T304 Stainless Steel Construction

Manufactured from high-grade T304 stainless steel for maximum durability and long-term performance.

Advantages include:

• Excellent Corrosion Resistance

• High Heat Resistance

• Long Service Life

• Lightweight Construction

• Superior Structural Strength

Each system is precision TIG welded and thoroughly inspected to ensure premium quality and fitment.

Vehicle Fitment

Compatible with:

• Audi S6 C8 (2.9T V6)

• Audi S7 C8 (2.9T V6)

Engine Platform

• 2.9L Twin-Turbocharged V6

Model Years

• 2019+

• 2020+

• 2021+

• 2022+

• 2023+

• 2024+

• 2025+

• 2026+

Please verify your vehicle specifications and exhaust configuration before ordering.

Package Includes

• OAO Valved Cat-Back Exhaust System

• Electronic Valve Control Module

• Remote Controllers

• Installation Hardware Kit

• Protective Packaging

Installation

Direct bolt-on design utilizing factory mounting points.

Professional installation is strongly recommended for optimal fitment and performance.

Why Choose OAO Performance

OAO specializes in premium performance exhaust systems for Audi RS/S models, BMW M, Mercedes-AMG, Porsche, Ferrari, Lamborghini, and other high-performance platforms.

From valved cat-back systems and downpipes to titanium exhaust solutions and OEM/ODM manufacturing, every OAO product is engineered to deliver exceptional craftsmanship, sound quality, durability, and driving excitement.

Upgrade your Audi S6 or S7 C8 with a more emotional and performance-focused exhaust experience.