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Downpipe kit without catalytic converter for the BMW M140(x)i M240i 340i 440i & 540i
 high-quality cast stainless steel 1.4301 (SS304)
 complete Ø3.5 with adapter to original AGA
 CAD designed and flow optimized
 2 lambda probe connections
 completely without catalyst
 100% perfect fit, simply exchange it for a standard part
 less thermal load on the turbocharger
 More power by reducing the dynamic pressure
 much more torque
 Only suitable for vehicles without OPF!
 Not permitted in the area of the STVO.
 Error display in the DME due to the missing catalytic converter. 
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