Grail Audi RS3 8V Sedan Exhaust

Unleash the Five-Cylinder Fury - Raw Sound, Refined Control

The GRAIL 3.5” catback exhaust for the Audi RS3 8V Sedan unleashes the full potential of the iconic 2.5L five-cylinder engine. Developed and handcrafted in Germany, this system blends brutal performance sound with precision engineering for everyday usability. Thanks to GRAIL’s CNC-milled electronic valves, you get seamless volume control at the touch of a button – quiet when you want it, aggressive when you need it.

Key Features:

• Full catback system – replaces the complete exhaust from the downpipe rearwards
• Oversized 3.5” (89 mm) piping for unrestricted flow and maximum tuning potential
  
• Thick-wall stainless steel – built to withstand heat, boost, and time
  
• Signature GRAIL sound profile – deep, aggressive tone under load, minimal drone at cruising speeds.
  
• GRAIL CNC-milled electronic valves – precise control of sound and character – 100% plug and play.
  
• Optional tailpipe tips in brushed stainless steel or black Cerakote.
  
• Hand-built in Germany.
  
• Straightforward plug-and-play installation.
  
• Complete kit includes: full 3.5” catback system, GRAIL electronic valves, all mounting hardware, and clear step-by-step installation guide.
  
• No ECU tuning required. OPF/GPF-compatible. Fully emissions system compliant.