Catback Exhaust for Lexus SC300 (1992-2000) 3.0L EngineHigh Flow Catback Exhaust for 1992 2000 Lexus SC (2JZ GE Z30) What it Does: Replaces the restrictive, heavy factory exhaust with a mandrel bent high flow system to optimize exhaust gas velocity and improve the acoustic profile of the 2JZ GE engine. The Stock SC300 Flow Bottleneck The OEM exhaust system on the Lexus Z30 chassis was engineered for maximum noise suppression at the cost of volumetric efficiency. The factory piping utilizes restrictive