AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 fits_2014-2021`Audi`TT ACT Level 2 Rebuild Kit

ACT Level 2 Rebuild Kit for T1R3-T01 Triple Disc

used with proper adapters

Black Series Exhaust Tip

Only works with Corsa Exhaust

AEM X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - 30-0334 fits_2014-2021`Audi`TT ACT Level 2 Rebuild KitAccurate AFR data is critical when tuning an engine. Running rich (very low air fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air fuel ratio, not enough fuel) may result in serious engine damage. Using a wideband air fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency. AEM has a comprehensive line of highly