I have replaced my titanium exhaust on 'my 04 Z06 CE, with the Corsa Pace
Car and X-pipe (2.5" dia). These added 9 rwhp (dyno tested). They are quiet
as a mouse at idle and cruise and really scream on launch with zero
resonance. I wouldn't have any thing else. BTW, the touring system makes a
good paper weight IMHO.
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