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Replace your restrictive OEM cast O2 housing with our newly redesigned free flowing tubular model. Made completely from 304 stainless steel! The flanges are CNC machined from ½” material and are surfaced after welding for a leak free seal. The exhaust outlet measures in at 2.5” while the wastage dump is mandrel bent from 1.75" tube.  The wastegate passage of the flange is 3D contoured to match the shape of the turbine housing for a smooth transition.....a first of it's kind! Each unit comes with a machined ring for the OEM donut gasket and a stainless steel divided turbine gasket.  Fits all radiators and intercooler pipes.