3.5″ Catless Downpipe For BMW 535i/ix 640i/ix 740i/Li X5 X6 F10F11F07F12F13F01F02 E70E71 N55 3.0L

Made from handcrafted, TIG welded 3.5″ 304-grade stainless steel.
Direct bolt-on application
Smooth radius bends to decrease turbulence and increase flow.
CNC SS304 stainless steel flange.
Gains from 25-30hp with a tune.

Applications:
2010-2014 BMW 535i & 535ix F10 & F11
2010-2014 BMW 535i GT & 535ix Gran Turismo F07
2012-2015 BMW 640i/ix F06 F12 & F13 Coupe & Convertible
2013-2015 BMW 740i?Li F01F02
2011-13 BMW X5 35iX E70
2010-14 BMW X6 35iX E71