ICP BMW N20 Downpipe (Z4 sDrive28i – E89)

Description:
The ICP BMW N20 Downpipe for the E89 Z4 sDrive28i improves exhaust flow, reduces turbo lag, and unlocks horsepower gains with tuning. This performance upgrade also enhances induction noise and exhaust tone for a more engaging driving experience.

Built from stainless steel with TIG welds and CNC-machined flanges, the ICP Z4 Downpipe offers strength and OEM-like fitment. Both catless and catted options come with integrated heatshielding.

Fitment:

• BMW Z4 sDrive28i (E89) 2011–2016

Key Features:

• Built for BMW N20 turbo 4-cylinder (E89 Z4 28i)
• Gains of +20–25 HP with ECU tune
• Catless and catted options with heatshield
• Sharper spool and enhanced exhaust note
• Bolt-on install, no modifications