Remus 504013 1500 504513 1600 Cat-Back Sport Exhaust System with Valve Control

The Remus 504013 1500 / 504513 1600 is a complete cat-back sport exhaust system engineered to work in concert with the stock catalytic converter. Featuring an integrated exhaust valve activated through the vehicle's onboard electronics, this system delivers the signature sonorous Remus tone on demand while retaining the factory tail pipe aesthetics integrated in the bumper — no bumper modifications required.

Key Features:

• Cat-Back Design: Connects downstream of the OEM catalytic converter or OEM center silencer; no ECU tune required
• Valve Control System: Exhaust valve actuated via factory vehicle onboard electronics to factory-preset positions
• Reduced Back Pressure: Optimized flow dynamics for a meaningful increase in power and torque
• Lightweight Construction: Premium materials result in a weight reduction versus the stock exhaust system
• 100% 304 Stainless Steel: Shot-blasted finish, handmade in Austria for long-lasting durability
• OEM Bumper Compatibility: Retains original tail pipe openings integrated in the bumper; no cutting or trimming required
• EEC Homologation: Type-approved for street legal use

What's Included:

• Remus sport exhaust main body (504013 1500)
• CLA 45 AMG outlet/connection tubes (504513 1600)

This Remus cat-back system is a direct bolt-on upgrade that delivers an aggressive, race-inspired exhaust note while preserving the factory look. Handcrafted in Austria, it reflects Remus's decades of expertise in performance exhaust engineering.