Dinan's Free Flow Exhaust improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration with zero drone when desired. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come.
The design reduces overall weight as well and features 3.5'' polished stainless tips for a tasteful high performance look.
Benefits of the Dinan Free Flow Exhaust for the F01 750i & F02 750iL:
+ Sportier sound
+ 100% 304 stainless steel construction
+ Bolt-on installation
+ Four 3.5” stainless steel polished & laser engraved exhaust tips
DINANTRONICS Performance Tuner (D440-1604-ST1 & D440-1604-ST3): The DINANTRONICS™ Performance Tuner is a highly engineered and sophisticated piece of computer hardware and software that enhances engine performance, without negating or voiding your new car warranty coverage and without affecting long term reliability or the functionality of on-board diagnostic systems. It is also the only tuning device emissions legal in all 50 states. The ultimate objective of developing this piece of technology was to provide the ability to control every signal entering and exiting the BMW factory Engine Control Unit. These items are unique to Dinan and together they embody the apex of performance engineering in a powerful, reliable, and warrantied package.