AEM X-Series Wideband UEGO AFR Sensor Controller Gauge Infiniti-G35 it eliminates the induction of

it eliminates the induction of hot air found in other locations of the engine bay

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1994-2000 Subaru Impreza GC/GF/GM EJ20

This means whatever changes you make to the base fueling will likely be in the wrong timeframe

IE FDS intercoolers are the proven cheat code

AEM X-Series Wideband UEGO AFR Sensor Controller Gauge Infiniti-G35 it eliminates the induction ofFaster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM's Wideband Controllers with X Digital technology can reduce deadtime and improve the performance of your vehicle through more accurate AFR tuning. Deadtime is the delay between when exhaust gas composition changes and when that change is reported by the O2 sensor. While flow of exhaust gases can affect deadtime, it is not the only