Pedal Commander 10-BMW-550-01 Throttle Response Controller with Bluetooth Support FLX-COST-2 the rear system also includes

the rear system also includes steel rear upper shock mount extensions designed to keep the rear shock in the stock position and length which results in a factory ride and no need to buy new shocks

5" oval stainless steel tip with Flowmaster's logo embossed into it

Single 2-1/2 Inch Center Notched Outlet

GTIN: 819275039963

Pedal Commander 10-BMW-550-01 Throttle Response Controller with Bluetooth Support FLX-COST-2 the rear system also includesHave you ever noticed that old cars were more responsive? They use a cable to control the throttle, so the response is linear; the more you press the accelerator, the faster you go. Nowadays, cars use electronic throttle control. ETC has lag and a non linear throttle curve, but we have a solution! Say goodbye to throttle lag, and hello to instant acceleration! Pedal Commander will revolutionize the way you accelerate! It is a groundbreaking BMW 550i