Hello all and happy new year. Hope everyone has enjoyed the holidays. Now that holidays are over I'm getting back into finishing up my mods and am installing a RPM activated relay module for my custom valved exhaust system that I built. I was wondering if anyone can tell me where I can tap I to a RPM/tach signal either under the dash or at the DME in the rear. I need to pickup a RPM signal for my module to activate and open the valves at 3500rpm. Any help would be greatly appreciated. The car is a 997.2 2009 C2S with PDK.