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This system does not fit on vehicles equipped with Otto particulate filter (OPF)
Our catless turbo downpipes are made from T304 stainless steel and are 3" in diameter stepping down to 2
spaces) won't work
Our stage 3 software is available also and is designed to work with intake and major exhaust modifications
Supersprint Catless Turbo Down Pipes - BMW F85 X5M | F86 X6M M4 This system does not fitNOT ROAD LEGAL This component removes the OEM catalytic converters, with improvements on performance, sound and temperature. Handcrafted in Aisi 304 Stainless steel. Fitted with a 1st grade flex joint for free movement of the engine and exhaust and with all the necessary mounting brackets. CAUTION: can cause Check Engine Light for "inefficient catalytic converter" "faulty secondary O2 sensor reading" or "Turbo pressure over limit". Recommended to be