ICP BMW N55 Downpipe (F-Series 535i, 640i, 740i, E-Series X5/X6 )

The ICP BMW N55 Downpipe is a high-flow upgrade for BMW’s single-turbo inline-6, delivering improved exhaust flow, reduced turbo lag, and significant horsepower gains with ECU tuning. Designed for larger F-Series and E70/E71 chassis, this downpipe transforms throttle response and adds an aggressive exhaust tone.

Constructed from premium 304 stainless steel with TIG welds and CNC flanges, the ICP N55 Downpipe ensures durability and precise OEM-like fitment. Both catless and high-flow catted versions include integrated heatshielding for reduced heat soak.

Fitment:

• BMW 740i (F01/F02) 2009–2015
• BMW 535i (F10/F11/F07) 2010–2017
• BMW 640i (F06/F12/F13) 2011–2018
• BMW X5 35i (E70/F15) 2011–2018
• BMW X6 35i (E71/F16) 2011–2018

Key Features:

• Built for BMW N55 single-turbo inline-6 (luxury & SUV platforms)
• Catless and catted options with heatshield
• Gains of +25–35 HP with ECU tune
• Aggressive tone with sharper turbo response
• Direct bolt-on installation