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our F56 Free Flow Axle-Back Exhaust is engineered to combat low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone
smoother and fuller exhaust note
The exact opposite of what the platform exudes otherwise
environmental conditions
Dinan High Flow Throttle Body - 2004-2005 BMW 645ci/2004-2006 545i/X5/2002-2005 745i/ Brake Kits our F56 Free Flow Axle-BackMany people seem to be under the false impression that the new Valvetronic engines don't have a throttle body. This is clearly not the case however the throttle body for these applications functions as part of the traction control system, as well as a ''safety valve'' of sorts. Regardless of the function the size of the hole still represents a restriction of intake air flow, making the larger bore of the Dinan high flow versions enable the engine to
