Heat Shield Downpipe BMW F32 440i

Heat Shielded Catless Downpipe for BMW F32 440i (B58 Gen 1)

Description:
Upgrade your BMW F32 440i with a Heat Shielded Catless Downpipe and experience noticeable gains in performance, sound, and turbo efficiency. Designed specifically for the Gen 1 B58 engine, this downpipe eliminates the factory catalytic converter, significantly reducing backpressure and unlocking the full potential of your turbocharged setup.

The built-in heat shielding minimizes engine bay temperatures, enhancing reliability during spirited driving or track use. This downpipe is ideal for drivers seeking a sharper throttle response, louder and more aggressive tone, and optimal flow when tuned.

Compatible With:

• BMW F32 440i (2016–2019 with B58 Gen 1)

Key Features:

• Direct fitment for Gen 1 B58 F32 440i

• Integrated heat shield for thermal management

• Constructed from high-quality stainless steel

• Noticeable turbo spool improvement and power gains

• Enhanced exhaust tone for a sportier experience

• Gains of +35–45 HP / +45–55 lb-ft with tune and supporting mods