Dinan D660-0044-BLK - Freeflow Axle-Back Exhaust

Dinan D660-0044-BLK - Freeflow Axle-Back Exhaust

Dinan Free Flow Axle-Back Exhaust - 2012-2016 BMW M5

Freeflow Axle-Back Exhaust; 304 Stainless Steel Construction; 6 Max Horsepower Gain At 6600 RPM; 5 lbs.-ft. Max Torque Gain; Twin 89 mm. Laser Engraved Ceramic Black Tips;

Dinan free flow axle-back exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is designed to provide a more aggressive sound under acceleration, while reducing drone inside the vehicle, thanks to Dinan exclusive Helmholtz chamber and butterfly valve technologies. The exhaust gasses exit through larger laser engraved ultra durable satin black ceramic coated quad tips. Every Dinan product is designed and tested in Morgan Hill, California.

• Improves Performance By 8 Horsepower
• Throaty / Deeper Sound
• Helmholtz Chamber To Remove Drone
• Incorporated Butterfly Valve Technology
• Simple Installation Using High Quality Clamps And Hangers
• Straight Through Canister Design
• Ensures Proper Fit Via Factory Hangers And Mounting Points
• System Provides More Aggressive Sound Under Acceleration