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m_long84
01-15-2005, 06:11 PM
Just thought that I would let everyone know that I e-mailed Juan and was told that the Vibrant catback exhaust system would be too restrictive to work with the Hi-Boost system since it has a 60 mm diameter. He said that if you were going to run the Hi-Boost setup you would need an exhaust system with a 70 mm diameter pipe which would be about 2.5".

tgv121281
01-17-2005, 12:06 PM
Good info, Draxas it is.

jeffmsp
01-19-2005, 09:30 PM
2.5" is good for 250hp any higher and you need 3".