anyone on here have any youtube videos of their golf equipped with the JB1? I'm interested in hearing the idle sounds and acceleratoins sounds with the increase in boost
Sounds at idle will be unchanged by the JB1 since it won't be actively changing signals. It will be monitoring signals, but not doing anything to adjust boost or fuel pressure at idle.
Under acceleration, you will hear more intake and exhaust sound due to the increased airflow through the engine, but it will depend on what bolt-ons you have. The stock intake system provides a good baffle for the turbo, so it won't be noticeable to others that you suddenly have a "tuned" car. Same goes for the stock exhaust. If you go back and forth between stock map and map 1/6, you will notice a "slight" difference in sound due to increased airflow/power, but like I said, nothing major or noticeable to others. If you have an aftermarket intake or exhaust, then the sound increase will be amplified a bit more. The "how much" will depend on which aftermarket parts you have.
I wanted a bit more sound out of my Golf, so I did the following:
1) I created my own cat-back exhaust by replacing the resonator with a smaller Jones resonator, the suitcase muffler with a Magnaflow, and some nice chrome dual 3" tips. I lost 20 lbs of metal, slightly increased throttle response due to the straight-thru muffler, and my car sounds like the Magnaflow cat-back offered for the 1.8 TSI (but only 1/4 the cost installed).
2) Removed the "snow catcher" grate from the stock intake and replaced the stock air filter with a K&N. Intake sound increase is subtle as compared to stock.
Additional note: Early on, I tried a couple "open" intakes and would not recommend them. You will hear this repeatedly around the forum. Sound is increased, but general driveability and performance on hot days is decreased. Aftermarket "closed" intakes ($$$) may give a bit more intake sound than stock, but performance increase is negligible or non-existent, especially for a Golf TSI. I like to remind others that we have the same stock intake as the GTI and R, and they can yield over 300 WHP on the stock intake. Replacing the stock intake on the 1.8T is a complete waste of time if you are chasing after performance. I like to challenge folks that like their "open" intake to remove it and go back to stock for one week during the summer. Then, see if you want to put it back on. Since folks hardly ever go back to compare to stock, they really don't ever compare them fairly. They let their emotions convince them the aftermarket piece is better due to the sound, but they don't consider driveability.
Bottom line: the JB1 is great, it will make your Golf TSI very close in engine performance to a stock GTI, and it will be barely noticeable as far as sound goes.
