the new one from AEM, appears to be a nice littel unit as a gauge and as in band for all contained in one littel gauge with the o2 sensor( a bosch) is only 400$$$ not too bad but i dont know anyone who has used one yet
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10.02@149.5 Bullseye Power Turbos
Top Dead Center Performance
Mobile Alabama 251 661 6067
owner/operator
www.tdcperformance.net