Dinan D660-0098-BLK Valved Axle-Back Exhaust System BMW - 2022-2025 M240i

The Dinan D660-0098-BLK Valved Axle-Back Exhaust transforms your 2022-2025 BMW M240i with enhanced performance and an aggressive exhaust note while maintaining the sophistication of computer-controlled valve technology. This premium exhaust system delivers measurable power gains and weight reduction through advanced engineering and superior materials.

Performance Enhancements:

• Power increase of 6 HP at 6600 RPM and 5 lb-ft torque at 6600 RPM
• Larger 76mm diameter piping versus stock 70mm for improved exhaust flow
• Twin 76mm exhaust valves are 30% less restrictive than OE valves
• 4 pounds lighter than the factory exhaust system

Premium Construction:

• 100% 304 stainless steel construction for durability and corrosion resistance
• Quad 4-inch diameter double-walled exhaust tips with black ceramic coating
• Laser-engraved Dinan branding on clamp-on tips
• Factory-like fitment with all necessary mounting hardware included

Intelligent Valve Technology:

• Computer-controlled exhaust valves retained for civilized low-speed driving
• Valves open fully during high-load conditions for maximum performance
• Stock valve actuator reused with additional valve and actuator on opposing side
• Balanced flow design ensures even exhaust distribution in all valve positions

This axle-back exhaust system delivers an enjoyably louder and sportier exhaust tone without sacrificing daily drivability, making it the perfect upgrade for enthusiasts seeking both performance and refinement.