Product Overview

Upgrade your driving experience with a high-performance valve-controlled catback exhaust system designed specifically for Audi S4 / S5 B8 3.0T and 4.2L models.

Engineered for optimal airflow, aggressive sound, and long-term durability, this system delivers the perfect balance of power, sound control, and premium styling.

Key Features

🔊 Valve-Controlled Sound System

Switch between quiet comfort and aggressive exhaust tone with an integrated valve control system — perfect for both daily driving and performance use.

🚀 Catback Performance Design

The catback exhaust structure improves exhaust flow efficiency, increasing horsepower, torque, and throttle response.

🛠 Premium SUS 304 Stainless Steel

Constructed from high-grade SUS 304 stainless steel, offering excellent resistance to corrosion, heat, and long-term wear.

💨 Micropole Muffler Technology

Equipped with a micropole muffler, delivering a deep, sporty sound while minimizing unwanted drone.

🔥 Quad Exhaust Tips (Four-Out Design)

Comes with four exhaust tips, enhancing the rear appearance with a sporty and aggressive look.

Specifications

• Product Type: Performance Modified Exhaust System
• Material: SUS 304 Stainless Steel
• Design: Catback Exhaust System
• Muffler Type: Micropole Muffler
• Sound Control: Valve-Controlled
• Mounting Position: Rear
• Tip Style: Quad Tips (Four Out)
• Compatibility: Audi S4 / S5 B8 3.0T & 4.2L
• Origin: China

Performance Benefits

• Increase engine efficiency and output
• Deliver a deep, aggressive exhaust note
• Improve vehicle aesthetics with quad tips
• Provide flexible sound control for different driving modes
• Built for long-lasting durability in all conditions

Ordering & Production

• Suitable for retail and wholesale orders
• Production time: 7–10 business days after order confirmation
• Custom-fit exhaust systems based on vehicle specifications

📩 Please provide:

• Vehicle model
• Engine displacement
• Rear bumper/diffuser modification status

⚠️ Important Notes

• This is a customized performance exhaust system. Sound perception may vary depending on environment and installation — not a valid reason for return.
• Due to international shipping, minor cosmetic deformation may occur and does not affect functionality.
• Please confirm all details before placing an order.