Milltek Non-Resonated Cat-Back Exhaust - Audi B9 RS4 Avant - Cerakote Black Tips - SSXAU751

Milltek Non-Resonated Cat-Back Exhaust for the Audi B9 RS4 Avant

Engineered as a direct replacement for the factory cat-back, this non-resonated system removes the centre resonator to unlock a louder, more aggressive full-throttle character with freer flow.

Key Features

• Premium Materials: T304Lstainless steel for durability and lasting corrosion resistance.
• Enhanced Performance: mandrel-bent pipework improves exhaust flow for sharper throttle response.
• Sound Profile: Non-Resonated (Louder) for the intended tone.
• Direct Fitment: engineered as a bolt-on replacement for the factory system.
• Tip Finish: Cerakote Black Tips.

Technical Specifications

• Material: T304L Stainless Steel
• System Type: Non-Resonated Cat-Back Exhaust
• Tip Finish: Cerakote Black Tips
• Resonated: No

Compatibility

• 2018 to 2023 RS5 B9 2.9 V6 Turbo Sportback
• 2018 and later RS4 B9 2.9 V6 Turbo Avant

Why Choose Milltek?

Every system is precision-built to deliver the sound, flow, and quality that define the Milltek difference.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Fitment

• Audi > RS4 > B9 2.9 V6 Turbo Avant > 2018 and Later
• Audi > RS5 > B9 2.9 V6 Turbo Sportback > 2018 to 2023

• Free US shipping on orders over $250.
• Free pickup at our Dallas shop, usually ready within 24 hours.
• Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
• Want it installed? Book the install at thegbmotors.com.

Full details are on our shipping and returns page.