ICP BMW S55 Downpipe (M2C/M3/M4 – F80/F82/F83/F87)

The ICP BMW S55 Downpipe is one of the most effective upgrades for the F80 M3, F82/F83 M4, and F87 M2 Competition. By replacing the restrictive factory downpipes, this system enhances exhaust flow, improves turbo efficiency, and unlocks horsepower and torque gains with ECU tuning.

Engineered from premium stainless steel with CNC-machined flanges and TIG welds, the ICP S55 Downpipe provides strength, durability, and OEM-like fitment. Both catless and catted options feature integrated heatshielding for thermal control.

Fitment:

• BMW M3 (F80) 2015–2018
• BMW M4 (F82/F83) 2015–2020
• BMW M2 Competition (F87) 2019–2021

Key Features:

• Designed for BMW S55 twin-turbo inline-6 (F-Series M cars)
• Catless and catted options with heatshield
• Gains of +30–50 HP with tune
• Deeper exhaust tone and sharper turbo spool
• Direct bolt-on install