Thats actually a little dissapointing. My sister has a 2004 Cadillac CTS V with a the stock 6.0 V8 and noting done but the exhust and it does 0-60 in 4.0. its runnin a little over 400HP. the new CTS has 550 and a .10 difference?? i still will be very very happy if they put this in a camaro tho haha.
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