Toyota Corolla AE86 Group A XL exhaust manifold catted cars AISI409 stainless

XL model of our 4-2-1 manifold, suitable for racing and street tuning for over 180bhp or higher displacement engines. Fits to both 16V and 20V cylinder heads. With flange connection for catalytic converter models. Lambda sensor connection with M18 thread is at the secondary collector and OEM style o2 sensor port + block-off plate if not used. Tube diameters (mm): 41,5 -> 48 -> 57mm