Product Description

The system is built to exacting specifications to ensure perfect fit using the factory hangers. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 89mm (3.5") ceramic black exhaust tips for a tasteful, high-performance look.

Maximum performance gains are 6 horsepower and 5 ft-lbs of torque.

Benefits of the Dinan Free Flow Exhaust for the F30 340i / F32 440i:

+ Uses the factory brackets and hangers for a factory-like fitment.
+ Helmholtz chamber to reduce drone.
+ Enjoyably louder, sportier Sound
+ 100% 304 stainless steel construction
+ Twin 89mm (3.5") laser engraved ceramic black exhaust tips
+ 6 HP @ 6600 RPM, 5 FT-LB
+ Factory computer controlled exhaust valve is eliminated. 

Models supported by Dinan Free Flow Exhaust for the F30 340i / F32 440i

•  2016-2018 340i & xDrive F30 Sedan
•  2017-2018 440i & xDrive F32 Coupe 

DOWNLOAD INSTALLATION INSTRUCTION HERE