Dinan Free Flow Axle-Back BMW 340i/440i F30/F32 Black Tips - D660-0055-BLK
$1,649.95Price
Excluding Sales Tax
The Dinan D660-0055-BLK Free Flow Axle-Back Exhaust is designed for 2016-2020 BMW 340i/440i applications using the F30/F32 chassis.
The system uses 100% 304 stainless steel construction, factory brackets and hangers, and twin 89mm (3.5-inch) black ceramic exhaust tips. Dinan lists gains of up to 6 horsepower and 5 lb-ft of torque and incorporates a Helmholtz chamber to reduce low-RPM drone.
The factory computer-controlled exhaust valve is eliminated. Dinan lists the system as emission code 5 because it does not affect vehicle emissions.