Competition Series 4" Catless Downpipe for the 5/6 Series N55 (6 Cylinder) Engine Finish:Brush Finish 2013-15 435i (F32/F33 Chassis)

2013-15 435i (F32/F33 Chassis)

We also did extensive testing on the proper size to use to effectively cool the hot charged air as well as fight off heatsoak (when the intercooler cannot transfer heat away faster that the heating building up from the hot intake air)

we can take advantage of the radiator fan sitting behind the intercooler to pulling air through the intercooler core

0 B46 4 Cylinder Engine (A90/A91)

Competition Series 4" Catless Downpipe for the 5/6 Series N55 (6 Cylinder) Engine Finish:Brush Finish 2013-15 435i (F32/F33 Chassis)Our Competition Series 4" Downpipes for your 2011 16 535i (F10) and 2011 16 640i (F13). Key Features: Made in the USA! Manufactured in house. Available for the 2011+ BMW 535i (F10) with the N55 Engine. Available for the 2011+ BMW 640i (F12 F13) with the N55 Engine. Better throttle response and faster turbo spool up times. Mandrel Bent 4" piping. Smooth transition to the exhaust system. 100% Stainless Steel Construction Stainless Steel Flex Section