Description

Resonated (Quieter) Cat-Back Exhaust System

Level up your ride’s exhaust game with the Milltek Resonated Cat-Back Exhaust System, featuring sleek polished trims for that extra flair. Crafted from tough 304L stainless steel, it’s built to endure any driving conditions, ensuring durability for the long haul. Tailor your exhaust experience with multiple configurations, letting you dial in just the right volume and tone to match your style. The resonated design not only adds refinement to your vehicle’s sound but also keeps things comfortably quiet. Whether you’re after a subtle purr or a more assertive growl, our Resonated Cat-Back Exhaust System strikes the perfect balance between form and function.

Non-Resonated (Louder) Cat-Back Exhaust System

Boost your vehicle’s performance and aesthetics with our Milltek non-resonated cat-back exhaust system. Crafted from premium 304L “Aircraft” Grade stainless steel, it ensures durability in any condition. Tailor the volume and tone with multiple configurations while enjoying the sleek, jet-shaped polished trims. With a 57mm (2.25″) pipe diameter, this system offers both style and performance in perfect harmony. Unlock your vehicle’s true potential with our expertly crafted solution.

SPECIFICATIONS:

• Model: Audi S4 (B7) 4.2 V8 Quattro (2005-2009) (Saloon – Sedan – Avant – Cabriolet)
• Product type: Cat & Filter Back Systems
• Resonated: Resonated, Non-Resonated (Both)
• Tip Shape: Jet
• Pipe Diameter: 57mm (2.25″)
• EC Approved: No
• Motorsport Use Only: No