ISR Performance Shift Knob 100mm Black | IS-SK-100-B 900 • Air filter placed to

• Air filter placed to receive coolest densest air charge with maximum airflow

08-21 STI may require mild clearancing of A/C compressor line

programmers

but that is no longer necessary

optimizing performance across varying fuel pressures:

ISR Performance Shift Knob 100mm Black | IS-SK-100-B 900 • Air filter placed toISR Shift Knob 100mm Black Nissan 10x1. 25 Thread Pitch Shifter not included, knob only. This item is non application specific. Please verify compatibility before purchase. May require some modification for proper installation. Note: ISR orders might take a day of processing. If you need it sooner, contact us directly.