Remus 045019 0500LR 047017 0000 0046 55SR Audi S4/S5 B8 Axle-Back Sport Exhaust System with Valve Control & Tail Pipes

The Remus 045019 0500LR is a complete axle-back sport exhaust system designed for the Audi S4 and S5 B8/B8.5 platform. This left/right dual-outlet system features two integrated exhaust valves controlled via the vehicle's onboard electronics — no additional hardware or modification required. The system upgrades the factory tube diameter from 60 mm to a high-flow 70 mm REMUS tube, improving exhaust scavenging and reducing back pressure for a noticeable performance improvement. Includes EC/ECE type approval for road-legal use.

Kit Contents:

• 045019 0500LR — Sport exhaust silencer, left/right system with 2 integrated valves
• 047017 0000 — Non-resonated center section / connection tube
• 0046 55SR — Stainless steel 84 mm angled rolled-edge chrome tail pipes with adjustable clamp (pair)

Key Features:

• Dual-valve system activated by factory vehicle electronics — no separate controller needed
• Upgraded pipe diameter: OEM Ø 60 mm upgraded to REMUS Ø 70 mm
• 100% T304 stainless steel construction — shot-blasted finish
• 84 mm polished stainless steel angled rolled-edge tail pipes included (part 0046 55SR)
• Installs at OEM mounting points — no vehicle modifications or drilling required
• Note: Not compatible with vehicles equipped with a panoramic glass sunroof
• Includes EC/ECE homologation — street legal
• Handmade in Austria
• 36-month manufacturer warranty

The REMUS axle-back system delivers an aggressive, refined exhaust note while retaining the dual-mode valve operation familiar to S4 and S5 drivers. The OEM-quality fitment and included EC approval make this a premium upgrade for enthusiasts seeking improved performance and sound without compromising daily driveability.