BMW F06 640i Gran Coupè (320 Hp) 2012 ->

Sport exhaust for BMW 640i F06 GranCoupè 3.0 Turbo N55

Includes:

Turbo dowpipe with or without metallic high flow cat. Please notice the difference between euro 5 and euro 6 models, in doubt ask our experts.
This is the part that has the most influence on the performance, recommended especially if coupled with a ECU tune.

Catback system: improves the sound and look of the car.
The Supersprint quad system requires either to trim the diffuser to enlarge the valances or for M-Sport models to fit the 650i M-Sport skirt, BMW part number 51 12 8 050 378
On the M-Sport bumper it's also possible to install the M6 diffuser and use the M6 replica mufflers.

Systems for replacement of kat for OBD II car models (with lambda sensors before and after the kat.)

These systems can only be used for racing purpose exclusively, in conjunction with the modifications of the engine management system. If used with a stock “ECU”, malfunctions may occur. All modifications must be carried out by qualified personnel only, under the liability of the car owner and at his expense.

Supersprint guarantee is limited to the quality, workmanship and correctly fitting to the intended car model for all race products.