SBD Turbo - 400x vs 500x

[spdbydesignchris]

Originally Posted by SUB-FT86

I've driven the 400x kit for one whole hour thanks to my best friend having it. I have driven a 2.0t Turbo GC and a 335i coupe and they all had lag. The SBD400x kit had 0 lag. Power felt instantaneous at all times like my car N/A. His car is half the reason I bought the SBD400x and the other reason is the customer service/support of SBD is top notch.

The 400X and 500X hit nearly instantaneous, there is very little lag.

[spdbydesignchris]

Originally Posted by itsjustdavep

@spdbydesignchris hey I don't see that V3 on the website


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Updated pic uploaded, sorry about that