Dinan D660-0098 Valved Axle-Back Exhaust System for BMW M240i

The Dinan D660-0098 Valved Axle-Back Exhaust System transforms your 2022-2025 BMW M240i with enhanced performance and an aggressive exhaust note. This premium exhaust system delivers a sportier, more engaging sound while adding measurable power gains of 6 horsepower and 5 lb-ft of torque at 6600 RPM.

Key Features:

• Constructed from 100% 304 stainless steel for durability and corrosion resistance
• Larger 76mm diameter piping (vs. 70mm stock) for improved exhaust flow and reduced backpressure
• Twin 76mm diameter exhaust valves are 30% less restrictive than OE valves
• Computer-controlled exhaust valves retain factory functionality for refined low-speed driving and full performance under high-load conditions
• Reuses stock exhaust valve actuator and adds a second valve/actuator to the opposing side for balanced flow
• Quad 4-inch clamp-on, double-walled polished exhaust tips with laser engraving
• Weighs 4 pounds less than the factory system
• Factory-like fitment with all mounting hardware included

This bolt-on performance upgrade delivers the perfect balance of refined daily driving comfort and aggressive performance sound, all while maintaining full integration with your BMW's factory exhaust valve control system.