Description
This downpipe is a precision-engineered upgrade for all 2018+ BMW B58-powered models, including the M240i (G20), M340i (G20), 540i (G30), X3 M40i (G01), and X4 M40i (G02). Built from SS304 stainless steel with a high-temperature ceramic coating, it eliminates the restrictive OEM design to unlock your B58 engine’s true potential, while offering superior heat management and durability.
Features:
Custom mandrel-bent piping diameter tuned exclusively for the B58’s turbocharger characteristics
Smooth internal transitions to eliminate turbulence, maximizing exhaust gas velocity
Proven to reduce backpressure by up to 40% compared to the factory downpipe
