Milltek Sport Audi RS4 B7 4.2 FSI V8 Switchable/Valved Cat-Back/Catback Exhaust (2006-2008) Saloon Avant Cabriolet | Non-Resonated Flap-Controlled Sports/Performance Back Box | SSXAU218 | Polished Stainless or Cerakote Black Tips

Milltek Switchable Sports Exhaust for Audi RS4 B7 4.2 FSI V8 | SSXAU218

Give your B7 RS4 the soundtrack it deserves. This Milltek switchable sports system replaces the rear section and centre pipes with a flap-controlled, non-silenced catback that unlocks that iconic 4.2 FSI V8 growl. Open the valves for a fierce, race-bred tone. Close them for a more civilised cruise. Available with polished stainless look tailpipes or stealth Cerakote black tips to finish the rear end perfectly.

Built in the UK for OE-level fit and finish, this upgrade is a favourite with our RS4 customers. We have installed this system in our own workshop and feedback has been consistently positive on quality, fitment and that addictive soundtrack. If you are searching for an Audi RS4 B7 sports exhaust, flap-controlled catback, RS4 4.2 FSI sound upgrade, loud exhaust for B7 RS4, Milltek switchable back box, or performance rear system for 2006 to 2008 saloon, Avant or Cabriolet, this is the one.

Why enthusiasts choose this system

• Flap-operated rear sections for switchable volume and tone
• Non-silenced centre pipes for maximum character and a sharper V8 note
• Smoother gas flow for a more responsive, engaging drive
• Choice of polished or Cerakote black tailpipe finishes for a premium look
• Engineered in the United Kingdom by Milltek for precise fitment and reliability
• Direct replacement for the factory rear system on B7 RS4 4.2 FSI V8

Specification

Pipe diameter: 60.00 mm (2.36 inch)

What you receive

• Twin link pipe assembly
• Left-hand non-resonated centre section
• Right-hand non-resonated centre section
• Left-hand rear section including valve and tailpipe assembly (polished or satin sheen black Cerakote)
• Brace bar
• Right-hand rear section including valve and tailpipe assembly (polished or satin sheen black Cerakote)

Fitment

Audi RS4 B7 4.2 FSI V8, model years 2006, 2007 and 2008. Compatible with saloon, Avant and cabriolet models. Designed for the B7 platform for an excellent OE-style fit.

Part number

SSXAU218

Professional fitting

Want it installed properly the first time? Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Compatibility check before dispatch

We verify suitability before shipping. Add your UK registration or the last 7 digits of your VIN at checkout and our team will confirm the correct kit for your RS4 B7.

Manufacturer

Milltek

Search terms our customers use: Audi RS4 B7 sports exhaust system, RS4 4.2 FSI V8 switchable exhaust, flap controlled catback for RS4, Milltek back box upgrade B7, loud exhaust for RS4 2006 2007 2008, RS4 Avant estate exhaust tips black, RS4 cabrio exhaust polished tips, UK-made performance exhaust Audi RS4, SSXAU218 cat back, straight-through mid-pipes RS4 B7, Audi RS4 flapper valve exhaust, Milltek RS4 B7 sound upgrade UK.