The BorgWarner AirWerks SX S300SX3 turbine housing is specified with a 0.88 A/R and an 80/74mm twin-scroll inlet, matching SX S300SX3 turbine geometry. The twin-scroll inlet sizing separates exhaust pulses to affect turbine response while the 0.88 A/R setting biases spool toward quicker response. This housing is suited for SX S300SX3 builds needing the listed inlet configuration with a 0.88 A/R.
BorgWarner Turbine Housing SX S300SX3 A/R .88 80/74mm