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ISR Performance single GT catback exhaust for Lexus GS300 (1998–2005) provides a completed rear exhaust solution tailored for that model. As a direct-replacement catback, it modifies the exhaust system's downstream section to change tone and flow characteristics consistent with a single-exit GT layout. The product is offered to match fitment for the specified GS300 model years.
ISR Performance 98-05 Lexus GS300 Single GT Exhaust
