Turbo downpipes for BMW F80 M3, F82 and F83 M4
Replace the OEM pre-catalytic converters
(catless downpipes or cat delete)

The Supersprint downpipes are made of Aisi 304 Stainless steel, TIG welded, and mandrel bent. They fit perfectly without any adaptation, and the O2 sensor bungs, flanges, and mounting brackets match the OEM parts.

They are primarily responsible for the performance increase given by the Supersprint exhaust, thanks to the improved flow right after the turbos.

Once these components are fitted, the secondary O2 sensors will read the wrong values, causing the Check Engine Light (CEL) to turn on. This issue must be addressed with a specific ECU tune. More information is available on request.

3 year warranty