Just to clear some misunderstanding, I am not looking for some fancy horsepower being NA, I am looking for something between 320-340 peak whp and 260-280 peak wtq (I know it depends on the dyno) and I know some parts will give better gain than the other, I made a lot of research to reach the conclusion above, I even searched for turboing the car and many suggested to have major cooling mod to the car and a conservative tune, cooling will not be the big problem, tuner is! I cannot be guinea pig for anybody here, and Sebastian from specialty z didn't recommend do online tune for TT cars and track them.
Please consider that the wealth of tuners and part availability isn't the same over here
Then, I have sound level issue locally, police use their ears to gauge the loudness
I read a lot about ART pipes being a tad quieter than non-res HFC and the torque it gives is unreal, my current setup is perfect as far as loudness, I thought if I could squeeze some more hp and tq while maintaining same sound level when I am cruising, it will be a win/win case. A tad louder will not be a problem. Anyway, I found used HR ART pipes which I plan to buy them and see for myself how loud it will be.
The big issue here in Qatar, there is few modded Zs and Gs available to check them personally before doing anything, and this is why I am asking here as it is a great community.
madeinjapan Maybe you don't like the fact that I DD a charger