Quote:
Originally Posted by BoostMasterZero
I just want to bump this thread for anyone else with this issue. My car had the exact same issues after installing a GS EBCS w/ TP Stg. 3 tune. After finally coming across this thread it reassured me the issue is normal. I was scared there was something detrimental to the car that would prevent me from being able to get my car tuned.
Now i'm getting my car pro-tuned tomorrow which apparently is essential after installing a Grimmspeed EBCS.
Also the hybrid set-up sounds interesting and is definitely something i'll discuss with my tuner.
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Yep no worries! It's not an issue. It's the EBCS doing what it's designed to do. That sound is normal. Wastegate flutter. But like you said, must tune for!