HFE BMW B58 Gen 1 4.5″ Decat Downpipe – M140i M240i M340i M440i Performance Upgrade
This downpipe replaces the factory catalytic section in BMW B58 Gen 1 engines, improving exhaust flow and turbo response.
- The description claims the product removes the factory catalytic converter and is intended for off-road or motorsport use only.
- The description claims the product may cause UK MOT emissions failure.
Variants (1)
- Default Title — 353.00 USD — In stock
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