Browse Pontiac Catalytic Converter. Shop Pontiac Exhaust Gas Catalytic Converter. Get Pontiac Catalytic Converter Replacement Cost & Pontiac Converter For. Maintaining your Pontiac's Universal Catalytic Converter is crucial for optimal performance and longevity. Periodic inspections for clogs, damage, and ensuring a proper fuel-to-air ratio can extend its life. Telltale signs of a failing converter include reduced acceleration and a sulfur-like smell, signaling it's time to explore replacements. When choosing a new converter, consider the two main types: two-way and three-way, each designed for specific emission requirements. Opt for a high-quality stainless steel converter for durability, and remember, precise installation is key?improper fitting can lead to inefficiency and early failure. Shop with us for reliable converters that keep your Pontiac running clean and smooth.