Remus 046019 0500LR GPF-Back Exhaust System with Carbon Tail Pipes for Audi RS4 Avant B9

The Remus 046019 0500LR + 047017 0000 + 0026 99CSSR is a complete GPF-Back Exhaust System engineered for the Audi RS4 Avant Quattro B9 (2019+) equipped with a Gasoline Particulate Filter (GPF). Manufactured in Austria by Remus Innovation, this bolt-on performance exhaust system includes ECE type approval and requires no vehicle modifications for installation.

The system consists of left and right sport exhausts operating on the absorption principle with integrated valves, a non-resonated center section, and a 0026 99CSSR carbon fiber angle tail pipe set (175 x 100mm) with titanium-lined interiors. The REMUS tube diameter is upgraded from the factory 65mm to a performance-optimized 70mm, delivering improved exhaust flow and a deeper, sportier exhaust note.

System Components Included:

• 046019 0500LR – Left/right sport exhausts (absorption principle) with integrated valves
• 047017 0000 – Non-resonated GPF-back center/front section
• 0026 99CSSR – 175 x 100mm carbon fiber angle tail pipe set, left and right, with titanium-lined interior

Key Features:

• 100% stainless steel construction throughout
• Integrated valve system reuses the factory actuator for active sound management
• Upgraded 70mm pipe diameter (OEM: 65mm) for improved exhaust flow
• Carbon fiber tail pipe tips (175 x 100mm) with titanium interior finish
• GPF-back design – replaces the section from the GPF rearward, no cat removal required
• ECE type approval included – street legal in approved markets
• No vehicle modifications or rear skirt trimming required
• Plug-in replacement installation; tail pipes secured via adjustable spherical clamp connection
• Made in Austria by Remus Innovation

This system is designed to deliver a meaningful increase in exhaust tone and performance character while retaining emissions compliance. Note: This product is not legal for sale or use in California. ECU remapping is not required but is recommended when used in conjunction with additional performance modifications to maximize gains and prevent check engine light activation.