Perfect fit, all flanges align, OEM heat shield can be fitted easily. After installing, my Service Engine advert disappeared. I fixed code P0430: Catalyst Heating Efficiency Below Threshold, Bank 2. Installation is a bit of an issue with all those rusty nuts and bolts, I used an air gun, it started a fire when I turned the nut. With bare hands, you'll likely need a solvent to remove rust and muscle. I put in the two studs that connect the old catalytic converter to the exhaust manifold, very…