10-14 BMW 535i/ix640i/ix740i/Li F01 F02 F07 F10 F12 F13 N55 3.5″ Downpipe

Circuit Werks latest Turbo Downpipe for 2010-2014 BMW N55 X5 X6 740i/ 640i/ix 535i/xi/ 535i GT.  This Downpipe Will help with the sound of your N55 motor, smooth out the exhaust flow, and not to mention the additional performance gain. By installing our Circuit Werks Downpipes, you will not only improve dramatically the sound of your BMW, but you will also gain the horsepower since it's not restrictive anymore where you would normally drive the car. Like to a local car meet, to work, or weekend cruising around town.  The sound will be slightly louder but once you step on it, you can hear the deep sport tune and depending on the exhaust you have.  Comes with a limited warranty from the purchase date.  High polished stainless steel, all are hand built to meet our high quality standard, then T.I.G. welded together. 10-14 3.5" N55 535i/ix/535i GT 640i/ix 740i X5 X6 35ix Turbo Stainless Steel Downpipe Hand TIG welded 3.5" High Quality Stainless Steel Smooth radius bends to decrease turbulen