Non-Resonated Downpipe back System B9 Avant 331 KW DECA 2017+ For Audi A4 RS4 2.9 V6 Biturbo

Non-Resonated Cat back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes Ø 84 mm

Features: 

• Aggressive racing sound
• Shot blasted surface, 100% stainless steel
• Performance increase, low back pressure
• Light weight construction
• Perfect shape and fitment
• Handmade in Austria
• EEC homologation

Specifications:

• Make: Audi
  
• Model: A4
  
• Type: B9 Avant
  
• Engine Code: DECA
  
• Engine: RS4 2.9 V6 Biturbo
  
• KW: 331 kW
  
• Year: 2017+
  

Tip Style:

1. 4 tail pipes Ø 84 mm straight, carbon insert
   
2. 4 tail pipes Ø 84 mm angled, carbon ring
   
3. 4 tail pipes Ø 84 mm Black Chrome, straight, carbon insert
   
4. 4 Carbon tail pipes Ø 84 mm angled, Titanium internals
5. 4 tail pipes Ø 84 mm angled, rolled edge, chromed