Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back purged to ensure years of reliable performance.
To remove the CEL that will occur, proper tuning software must be used. The use of Bootmod3 downpipe software upgrade is strongly recommended. For OFF-ROAD use only.
Catalytic converters damaged by "crackle tune" are not covered under warranty.
F30 BMW?335i & 335xi Production date after 07/2013
F20/F21 BMW?M135i?&?M135xi Production date after 07/2013
F32/F33/F36 BMW 435i & 435xi 2013+
F22 BMW?M235i?&?M235xi 2013+
F87 BMW?M2 2015+
Stage 2 software is required to avoid check engine light.