I have the dyno results everybody This time I dyno my own car, first time with the printed charge pipe and second time with the oem setup. The intake was exactly the same both times ( filter, air box, air tubes), everything was OEM (only difference was thecharge pipe). I did in total 4 runs each time. 100 RON fuel, close hood same temperature (26 degrees). Power: Result.... there is in AVERAGE (4 runs) only 1 hp difference . Of course I can't consider that as a plus or minus. Average 201 hp. IAT: It seems that with the printed model IATs are a bit lower. For example the 4th run : Printed charge pipe MAX=60 C , OEM MAX=63 C Average values as very close during the whole run. Average Air Mass kg/h: 4th run OEM: 403 kg/h Printed model: 414 kg/h PSI: Very close both Conclusion: No extra power for sure (that's the easiest to conclude). It seems that with the printed model the engine responded a bit better, lower IATs and maybe it breaths a bit better. I was surprised that the carbon reinforced nylon printed model could take that abuse! I drove with it 1000 km , including fast driving at the mountain, heavy traffic in Athens with around 30 degrees Celsius outside and 4 dyno pulls So defiantly this material is up to the task and so useful for testing. What's next? Two versions: Long pipe has considerable lower IATs (5 degrees down, with 4 degrees more outside temperature) and plus 12 whp at the redline... but average wise I am not happy at all. Yes it feels the best compare to everything else and the cars seems to pull way better especially at the very low end. Rookie mistake the outlet is smaller than the OEM Charge pipe...maybe that's the limiting factor. Short charge pipe... just works ok. I mean it is basically the same with the OEM unit and with just a bit better IATs values. Do I feel the difference when I am driving? No . I can't really tell. How should I proceed? 1) Print another long version but this time with revised outlet? Dyno again the car and lets see ? 2) For the short version, is the air box the limiting factor? People out there claim 10+ whp with just an airbox Should I designed a cheap airbox utilizing layser cut sheet metal and printed parts, with more volume ? Dyno again the car with OEM charge pipe plus the new airbox and then another dyno with the printed charge pipe plus the new air box. Compare all the data and decide ? 3)Should I stop the whole project and admit defeat ? P.S I am running extremely low on budget and I am getting tired and frustrated . P.S 2 Most probably I would do something stupid, spend more money and time and try to figure out a way Please I need your comments !!! Have a nice day or night !