They debuted an extremely overpriced piece with some serious quality control issues and then basically just went ghost.
I have both Z1 pieces, upper and lower. I did the upper by itself and the car certainly felt more responsive. I can't give the same testament to the lower as there was a lot of work done at the same time it went on for me to be able to pick it out individually.
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377whp/299wtq NA
704whp/519wtq, SOHO stage 2.5
IG: pearlywhite.z
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