Find Pontiac Exhaust Catalytic Converter & Pontiac Catalytic Converter. Order Pontiac Catalytic Converter Exhaust Pipe. Maintaining the catalytic converter of your Pontiac is crucial for emission control and overall vehicle health. To ensure longevity, regularly inspect for clogs, and keep an eye out for reduced engine performance or a sulfur-like smell, which signal the need for replacement. When selecting a new catalytic converter, consider the two main types: two-way for older models and three-way for modern Pontiacs, each designed to meet specific emission standards. Opt for high-quality materials like stainless steel to withstand corrosion and ensure easy installation. Proper care and the right choice will boost your vehicle's efficiency and contribute to a cleaner environment, enhancing your online shopping experience with confidence in product durability and performance.