B58 Downpipe 4.5''BMW B58 4. 5 Downpipe High Performance Turbo Exhaust Upgrade Unleash More Power, Faster Turbo Spool, and Aggressive Sound Upgrade your BMW B58 turbocharged engine with this 4. 5 inch high flow downpipe, designed to maximize exhaust flow, reduce backpressure, and enhance turbo efficiency. By eliminating the restrictive factory catalytic converter, this bolt on upgrade provides faster turbo spool, improved throttle response, and increased horsepower,

and improved durability

adding a stylish touch to your engine bay while improving ignition efficiency

Eliminates OEM Catalytic Converter – Maximizes exhaust flow & turbo spool

•  Built for Long-Term Durability – High-quality stainless steel withstands extreme heat & pressure

• BMW M4 (F82/F83) 2015-2020

Order Your B58 Hybrid Turbo Today

•  Supports High-Boost Applications – Essential for tuned & modified N54 builds

• BMW F30 / F31 / F34 335i (2012-2015)

Built for E85 & High-Boost Applications – Supports big power setups

• BMW 135i (E82/E88) (2007-2013)

• Z4 – G29 (2019+)

• BMW 440i / 440i xDrive (F32/F33/F36) 2017-2020