Competition Series Catless Downpipes for 2011-17 550i/650i/750i/X5 50i/X6 50i N63 Engine Finish:Ceramic Thermal Coating Fitment for the new B58

Fitment for the new B58 Engine

turbo lag and ultimately maximum power potential

Our exhaust flanges are billet stainless steel that is computer CNC precision cut

headlight washers etc

Competition Series Catless Downpipes for 2011-17 550i/650i/750i/X5 50i/X6 50i N63 Engine Finish:Ceramic Thermal Coating Fitment for the new B58Introducing our Competition Series Catless Downpipes for your twin turbo N63 engine! Fits 2011 17 550i (F10), 2011 18 650i (F06 F12 F13), 2008 19 750i (F01 F02 G11 G12) & 2014 18 X5 X6 50i (F15 F16). Key Features: Made in the USA! Manufactured in house. Now available for the 2011 17 BMW 550i, 2011 18 650i, 2008 19 750i and 2014 18 X5 X6 50i N63T U Engines! Higher Max Horsepower Power Curve Higher Initial Torque Curve. Torque curve hits faster and