Is the exhaust pipe flange weldable to the catalytic converter on a 2000 Mazda 626?

Yes, the exhaust pipe flange on a 2000 Mazda 626 is typically weldable to the catalytic converter, provided that both components are made from compatible materials, such as stainless steel or mild steel. However, it’s essential to ensure proper alignment and preparation of the surfaces to achieve a strong weld. Additionally, consider any local regulations regarding exhaust modifications to ensure compliance.