Walker 15036 Standard Universal Converter - Non-CARB Compliant Designed for use on Pre-OBDII vehicles. (1995 and older) Stainless steel body with aluminized pipe and heat shields for durability Expandable bushings for custom installation requirements. Oxygen sensor location : No Port Location Universal converter may require modification to complete installation. 25,000-mi catalytic performance & 5-year/50,000-mi structural integrity warranty