AEM Digital Wideband UEGO Gauge w/o Sensor LS6 This open bellmouth design combined

This open bellmouth design combined with a larger pipe diameter and smooth bends allows the turbocharger to exhale exhaust gases with fewer restrictions and turbulence

and aluminium air guide all included

B 2005 Subaru Legacy i 2005 Subaru Legacy Limited 2006-2009 Subaru Outback 2

Direct OEM replacement — fits intake and exhaust crankcase ports on top of the RB25DET valve covers

AEM Digital Wideband UEGO Gauge w/o Sensor LS6 This open bellmouth design combinedAccurate 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