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G8 GT
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02-12-2010, 02:20 PM
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G8GT4now
Drives: 14 SS Sedan
Join Date: Jul 2008
Location: Houston, TX
Posts: 474
My car is at least 450rwhp and is super silent. I don't think exhaust note tells too much about RWHP.
I had a G8 GT for a while and I am still lurk in that forum. It takes quite a bit to get the GT up to that HP level with just cam/headers/exhaust.
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