Dinan D660-0100-BLK Valved Axle-Back Exhaust System for BMW M2

The Dinan D660-0100-BLK Valved Axle-Back Exhaust transforms your 2023-2025 BMW M2 with enhanced performance and an aggressive, sportier exhaust note. Engineered with premium 304 stainless steel construction, this exhaust system delivers measurable power gains of up to 6 horsepower and 5 lb-ft of torque while maintaining the refined character expected from a premium performance upgrade.

Key Performance Features:

• Larger 76mm diameter piping versus stock 70mm for increased exhaust flow and reduced backpressure
• Gains of +6 HP and +5 lb-ft of torque over stock exhaust
• 6-pounds lighter than stock system (38 lbs vs. 44 lbs stock weight)
• Computer-controlled exhaust valves retained for variable sound control
• Fully adjustable via factory M-drive settings—quiet during cruising, aggressive under load

Design and Construction:

• 100% 304 stainless steel construction for corrosion resistance and longevity
• Four 4.5-inch (114mm) double-walled black ceramic coated tips with laser-engraved Dinan logo
• Diffuser-filling tip design for aggressive styling
• Drone abatement technology reduces unwanted cabin resonance
• Factory-like fitment with all mounting hardware included
• Reuses stock exhaust valve actuators for seamless integration

This axle-back system delivers an enjoyably louder, sportier sound without compromising daily drivability. The retained factory valve system ensures civilized operation during low-speed driving while opening fully during spirited driving and high-load conditions, giving you the best of both worlds.