Sports Series 4" High Flow Catted Downpipe for the X5/X6 Series N55 (6 Cylinder) Engine Build Date:2011-13 X5/X6 E70/E71 with Pneumatic Wastegate To purchase a replacement in

To purchase a replacement in the past

From June 2009 and on

Perfect for some extreme testing

we do not have plugs for these bungs

With years of experience building race cars and high power street cars

Sports Series 4" High Flow Catted Downpipe for the X5/X6 Series N55 (6 Cylinder) Engine Build Date:2011-13 X5/X6 E70/E71 with Pneumatic Wastegate To purchase a replacement inOur Competition Series 4" Downpipes for your 2011 13 X5 X6 35i (E70 E71) and 2014 17 X5 X6 35i (F15 F16). Key Features: Made in the USA! Manufactured in house. Available for the 2011 13 BMW X5 35i (E70) with the N55 Engine. Available for the 2011 13 BMW X6 35i (E71) with the N55 Engine. Available for the 2013 18 BMW X5 35i (F15) with the N55 Engine. Available for the 2013 18 BMW X6 35i (F16) with the N55 Engine. Better throttle response and faster