ICP BMW N54 Downpipe (335i/335xi – E90/E92/E93)

The ICP BMW N54 Downpipe for the E90/E92/E93 335i and 335xi significantly reduces backpressure, unlocking horsepower, torque, and turbo spool improvements when paired with a tune. A must-have upgrade for enthusiasts looking for maximum performance.

Made from 304 stainless steel with CNC flanges and TIG welds, the ICP N54 Downpipe delivers OEM-style fitment and long-term durability. Available in catless and catted options, each comes with an integrated heatshield.

Fitment:

• BMW 335i (E90/E92/E93) 2007–2010
• BMW 335xi (E90/E92) 2007–2011

Key Features:

• Built for BMW N54 turbo inline-6 (335i/335xi)
• Catless or catted with heatshield
• Gains of +30–40 HP with ECU tune
• Aggressive turbo spool and exhaust tone
• Direct bolt-on installation