Description

RESONATED (QUIETER) CAT-BACK EXHAUST SYSTEM

Ride in style with the Milltek Resonated Cat-Back Exhaust Systems, designed to deliver a quieter yet powerful tone. Crafted as a direct replacement for your original setup, our systems offer multiple configurations, allowing you to customize the volume and tone of your exhaust to your preference. Made from premium 304L Aircraft Grade stainless steel, our quieter cat-back exhaust ensures durability even in harsh conditions. Enhance both the sound and aesthetics of your ride with our dual-outlet Cat-Back systems, designed for optimum performance and longevity. 

SPECIFICATIONS:

• Model: Audi S4 (B6) 4.0 V6 Quattro (2001-2006) (Saloon – Avant – Cabriolet) | Audi S4 (B6) 4.2 V8 Quattro (2003-2005) (Saloon – Sedan – Avant – Cabriolet)
• Product type: Cat & Filter Back Systems
• Resonated: Resonated 
• Pipe Diameter: Not listed
• OPF Equipped: Not Applicable
• EC Approved: No
• Motorsport Use Only: No

NON-RESONATED (LOUDER) CAT-BACK EXHAUST SYSTEM

Experience the ultimate combination of power and style with our Non-Resonated Cat-Back Exhaust System featuring polished trims. Crafted from durable 304L Aircraft Grade stainless steel, this system ensures longevity even in tough conditions. With options for increasing exhaust volume and enhancing the aggressive tone, it’s a perfect fit for those seeking both performance and aesthetics. Whether you’re looking for a louder exhaust note or simply want to add a touch of flair, our Cat-Back system with jet-shaped, polished tips is designed as a direct replacement for your original system. Experience the difference with our high-quality, enthusiast-approved exhaust upgrade.

SPECIFICATIONS:

• Model: Audi S4 (B6) 4.2 V8 Quattro (2003-2005) (Saloon – Sedan – Avant – Cabriolet)
• Product type: Cat & Filter Back Systems
• Resonated: Non-Resonated
• Tip Shape: Jet
• Pipe Diameter: Not listed
• EC Approved: No
• Motorsport Use Only: No
• Outlet: Dual