Remus 086319 1500 Racing Cat-Back Exhaust System with Integrated Valves

The Remus 086319 1500 is a Racing Cat-Back Exhaust System engineered for the BMW X3 M and X3 M Competition (F97) equipped with the S58 turbocharged engine and GPF (Gasoline Particulate Filter). Designed for closed-course and motorsport use, this system delivers an aggressive exhaust note and improved flow characteristics in a race-focused package.

Important Notice: This is a RACING product — No EC/EEC Type Approval. It is intended for track, motorsport, and closed-road use only. Use on public roads may not be permitted under applicable regulations. Buyer is solely responsible for compliance with local laws.

System Contents:

• RACING sport exhaust muffler — centered, left/right configuration
• Non-resonated RACING cat-back section (GPF replacement section)
• Choice of tail pipe set (sold as part of complete system)

Key Features:

• 2 integrated exhaust valves for active sound and flow management
• Tube diameter matches OEM spec: Ø 70 mm — no cutting modifications required
• Full 303 stainless steel body and tubing construction
• 416 stainless steel exhaust tips for superior corrosion resistance
• Robotic MIG/TIG welding for consistent, high-strength joints
• Engineered using shared OEM CAD data for precise fitment
• Developed with back pressure calculations and audio dyno sound testing

Remus is the world's largest manufacturer of aftermarket sport exhaust systems and an ISO 9001 and TÜV approved OEM supplier to BMW, Mercedes-AMG, Porsche, and Ducati. All Remus performance systems are backed by a 3-year unlimited mileage warranty.