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edcpd03 · 06-01-2003, 08:01 AM

I was told that if you port and polish the upper intake on 99 and up gt that you are able to get a increase in power is this true or am i getting a load of B.S?

06-01-2003, 08:01 AM	#1
edcpd03 Registered Member Join Date: Apr 2003 Location: columbus,ohio Posts: 4	porting and polishing upper intake I was told that if you port and polish the upper intake on 99 and up gt that you are able to get a increase in power is this true or am i getting a load of B.S?