Milltek Valved & Resonated Catback Exhaust System w/ EC Approval for B9 Audi S4 and S5 Sportback (non-sport diff)

Milltek Valved & Resonated Catback Exhaust System w/ EC Approval for B9 Audi S4 and S5 Sportback (non-sport diff)

Milltek Sport offers a broad selection of catback systems, meticulously designed to elevate the sound and appearance of your vehicle. These systems are engineered for easy installation, seamlessly replacing the factory exhaust and available in multiple configurations. This flexibility allows vehicle owners to fine-tune the exhaust note to achieve a more profound, richer sound that matches their individual taste. Constructed with 304L aircraft-grade stainless steel, each Milltek Sport product is renowned for its extraordinary durability, capable of resisting extreme conditions while maintaining its high-quality performance over an extended period.

Milltek’s Valved & Resonated Catback Exhaust System for the B9 Audi S4 / S5 Sportback is the quintessence of automotive excellence, offering a harmonious blend of refined acoustics and superior performance. Engineered specifically for models without the sport differential, this system enables a transformative upgrade, directly replacing the stock exhaust for a smooth installation process. The inclusion of valves provides the driver with the control to adjust the exhaust’s sound from a subtle, sophisticated tone to a more robust and engaging roar, tailored to any preference or driving scenario. The resonated design ensures a deeper, more melodious sound profile, enriching the driving experience without overwhelming cabin noise.

Specifications

• Type: Valved / Resonated / Catback
• Tip Finish
  • Brushed Titanium
  • Burnt Titanium
  • Carbon Fiber
  • Cerakote Black
  • Polished
• Tip Size
  • 90mm
  • 100mm
  • 104mm x 80mm
• Tip Shape
  • GT
  • Jet
  • Oval
• Pipe Diameter: 63.5mm (2.5″)
• EC Approved: Yes
• Motorsport Use Only: No

What’s Included

• LH lower downpipe (LHD cars only)
• RH lower downpipe (both LHD & RHD)
• Front silencer
• Connecting pipe assembly
• LH rear silencer with valve
• RH rear silencer with valve
• LH mounting bracket
• RH mounting bracket
• Exhaust tip assembly (4)

Applications

• Audi S4: B9 (2017+)  |  3.0L TT TFSI V6
• Audi S5 Sportback: B9 (2017+)  |  3.0L TT TFSI V6

Notes

• Only compatible with Audi S5 Sportback models & non-sport diff cars

About Milltek

Milltek is committed to designing performance exhaust systems that are tailored to the needs of the driver, covering an increasingly broad spectrum of vehicles. The company is dedicated to ongoing innovation, with its research & development team working tirelessly to bring to market the most sought-after exhaust solutions. Manufactured in the UK and distributed to over 90 countries worldwide, Milltek Sport stands as one of the most widely available performance aftermarket brands, continually striving to meet the evolving demands of performance exhaust enthusiasts around the globe.