I can only offer this. I had a stage 3 stollen on my 350 and installed two vortech systems on friends cars for them. I greatly preffered the stillens response over the centri. Then, when I got my C6, I did a vortech on that, and at Spring Mountain Corvette school, I drove a callaway roots style. On the vette, the centri felt better. The 370 has more low end than the 350, but I still think the roots will be a better option. Especially if they go with a TVS
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NISSAN: 75 280Z / 86 300ZX GLL /87 Sentra SE / 03 350Z / 23 Z
Porsche: 93 968 / 23 Macan GTS / 93 968
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