Quote Originally Posted by SkipperNation View Post
I planned on building out my 18 S5 SB very similarly to you! I bought mine used 20k miles. Planned to mod a FMIC + JB4... should I be worried i will blow a turbo?? Thought these devices were manufactured to run fairly seamlessly on the B9 platform. Thoughts please!


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Honestly, any time you tune any car you should consider the possibility of a failure because you're pushing it beyond the manufacturers specifications. Gotta pay to play.