FMI suggests the automotive exhaust system market was valued at USD 126.8 billion in 2025, increased to USD 134.6 billion in 2026, and is projected to reach USD 243.3 billion by 2036, reflecting a 6.1% CAGR during 2026 to 2036. By segment, catalytic converters lead the product type category with a 31.8% share in 2026, while passenger cars dominate the vehicle type segment with a 64.5% share in 2026.