Dinan 15-20 M3/M4 (F80/F82/F83), Free Flow Axle-Back Exhaust, Polished Tips, Stainless - (DIN-D660-0050)

Description

Freeflow Axle-Back Exhaust; 304 Stainless Steel Construction; 5 Max Horsepower Gain; Quad 3.5 in. Laser Engraved Polished Tips w/Logo; Includes Mounting Hardware;

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 computer controlled valves that limit noise during low speed driving and open fully during high-load conditions to allow free flow. The exhaust gasses exit through larger laser engraved polished quad tips. Every Dinan product is designed and tested in Morgan Hill, California.

Features & Benefits

• Maximum Gain Of Plus 5 Horsepower
• Valves Are 45 Percent Less Restrictive Than The OE Valves
• Sportier Sound
• Computer Controlled Valve Limits Noise During Low Speed Driving
• Valve Opens Fully During High-Load Conditions To Allow Free Flow
• Stock Exhaust Valve Actuators Are Reused
• Operation Of Exhaust Valve Is Unchanged
• Exhaust Tone Can Be Adjusted Via The M-Drive Settings
• Exhaust Is 3 lbs. Lighter Than Stock
• Twin Secondary Exhaust Valves w/Whopping 76 mm. Diameter

Specifications:

Exhaust Type:	Axle-Back
Material:	304S Stainless Steel
Part Type:	Exhaust System Kit
Tip Diameter:	3.500 in.