BMW G20 G22 M340i M440i B58 GEN 3 CATTED DOWNPIPE

Unlock the full potential of your Gen 3 B58 engine with this 5" 200 Cell Catted Downpipe, engineered for performance, reliability, and emissions compliance. Featuring a high-flow 200 cell catalytic converter, this downpipe maintains exhaust efficiency while reducing restrictions, giving you more horsepower, torque, faster turbo spool, and a deeper, more refined exhaust tone.

Constructed from premium stainless steel with CNC-machined flanges and TIG-welded durability, the 5" oversized design tapers down smoothly for maximum flow and a precise OEM-style fit. Ideal for enthusiasts who want big performance gains without going fully catless.

FITMENT (B58 Gen 3 3.0L Turbo):

• BMW M340i (G20 / G21)

• BMW M440i (G22 / G23 / G26)

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