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camarohead · 08-20-2009, 10:05 PM

question- i have ordered an ls3 and also the gmpp exhaust. should i wait after break in peroid before i install the exhaust or just install the exhaust upon arrival. does it matter?

08-20-2009, 10:05 PM	#7
camarohead Drives: 2010 ss rs ls3 red-white rallys Join Date: Oct 2008 Location: Mississippi Posts: 729	question- i have ordered an ls3 and also the gmpp exhaust. should i wait after break in peroid before i install the exhaust or just install the exhaust upon arrival. does it matter?