• Clamp-On Quad 4.5 in. Tips
• Mounting Hardware

The Dinan D660-0090-BLK Valved Axle-Back Exhaust is designed to elevate the performance and sound characteristics of the BMW X5M and X6M. Constructed from 100% T304 stainless steel, the system replaces factory components with larger 83mm piping, advanced drone-reduction technologies, and computer-controlled valves that retain stock functionality. The result is a refined yet aggressive exhaust note that adapts to driving conditions while enhancing overall flow and performance.

Dinan D660-0090-BLK Valved Axle-Back Exhaust Features:

• Maximum Gains of +6 HP and +5 ft-lb of Torque
• Enjoyably Louder, Sportier Sound
• Drone Abatement Technologies Used to Reduce Cabin Resonance
• Four, Diffuser Filling, 4.5 in. Double-Walled, Black Ceramic Coated Clamp-On Tips with Laser Engraved Dinan Logo
• Larger Diameter Piping for Increased Flow (83mm vs. 80mm)
• Stock Exhaust Valve Actuators Reused, Exhaust Tone Adjustable via M-Drive Settings
• Computer Controlled Exhaust Valves Retained for Adaptive Sound Control
• Twin 76mm Secondary Exhaust Valves – 30% Less Restrictive than OE
• 100% T304 Stainless Steel Construction
• Factory-Like Fitment with Included Mounting Hardware

Emissions Note:

This part is legal for sale or uses on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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