Dinan D660-0090 Valved Axle-Back Exhaust System for BMW X5M/X6M

The Dinan D660-0090 Valved Axle-Back Exhaust transforms your 2020-2025 BMW X5M/X6M with enhanced performance and an aggressive exhaust note. This precision-engineered system delivers measurable power gains of up to 6 horsepower and 5 lb-ft of torque while maintaining the sophisticated control of your factory exhaust valve system.

Performance Features:

• Premium 304 stainless steel construction for durability and corrosion resistance
• Increased piping diameter (83mm vs. 80mm stock) for improved exhaust flow
• Twin secondary exhaust valves with massive 76mm diameter—30% less restrictive than OE valves
• Computer-controlled valves retain full M-drive integration for adjustable exhaust character
• Drone reduction technology minimizes unwanted cabin resonance

Fitment and Installation:

• Factory-like fit utilizing OEM mounting locations and included hardware
• Reuses stock exhaust valve actuators for seamless integration
• Four polished stainless steel double-walled tips measuring 4.5" (114mm) with laser-engraved Dinan logo
• Clamp-on tip design for secure fitment and aggressive diffuser-filling appearance

Experience a sportier, more engaging exhaust tone that remains civilized during low-speed cruising and opens up fully under high-load acceleration. The retained factory valve control ensures your exhaust character adapts to your driving style through BMW's M-drive settings.