Wagner Downpipe BMW 1-Series F20,F21 engine (catless)

Downpipe kit without catalytic converter for the BMW M140 (x) i M240i 340i 440i & 540i

High quality stainless steel cast 1.4301 (SS304) Complete Ø3.5 with adapter on original AGA CAD-designed and flow-optimized 2 lambda probe connections Completely without catalytic converter 100% perfect fit, simple replace with serial part Less thermal load for the turbocharger more Power by reducing back pressure Significantly more torque only suitable for vehicles without OPF! Not approved in the area of ??the STVO. Error display in the DME due to the missing catalyst.