Dinan High Flow Throttle Body - 2002-2006 BMW 550i/650i/750i RHO This increased area when combined

This increased area when combined with a high flow filter

Dinan incorporates a beautifully crafted X-pipe made from mandrel-bent tubing for minimum restriction

Dinan has developed the High Flow Carbon Fiber Intake for the BMW E9x M3 to improve airflow to the engine

Dinan's Free Flow Axle-Back Exhaust employs leading-edge technology to solve this problem with advanced features not found in most aftermarket high-performance exhaust systems

Exhaust System - Xtreme - Cat-Back - 3 in Diameter - 4-1/2 in Polished Carbon Fiber Tips - Valved - Stainless - Natural - 3

Dinan High Flow Throttle Body - 2002-2006 BMW 550i/650i/750i RHO This increased area when combinedMany 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