I've been seriously thinking about getting some EM. Lately when it idles it smells rich...I don't have a wideband O2 sensor but my sniffer tells me so. I pulled the plugs and expected them to be black but they were white from running hot and lean. I have a 05 WRX, my mods are Catless up and TBE, K&N Panel, anti foulers on rear O2 bung, and resistor on EGT plug. I'm looking to purchase a Tactrix cable but don't know which to get; the 1.3U or 2.0. What is the difference? BTW, everybody is out of stock, would someone know where to purchase one or maybe loan one in the Tulsa area?