Recently purchased a 2004 Jetta TDI! The owner before me had an EGR Delete done to it and a Malone stage 2 tune. How ever the car was slower than ever! (No Boost) Even slower than it had originally was. I tried countless thing like MAF sensor, Actuator was fine, no vacuum leaks etc... So I discovered there was a harness that was unplugged that was near the old EGR. So I plugged it into what it had originally been hooked up to and left it sitting there (Not apart of the system). And now the car has so much power!! I'm almost scared its over boosting (Boost gauge on order) or if it could just be the Malone tune. I've never drove a tuned VW before so just curious as to what you guys think of having this thing plugged in and not being apart of the EGR system anymore? Could I be damaging my turbo/ over boosting? Here is a pic of what I plugged in.