Cold start with newly added Texas Speed & Performance long tube headers (1 3/4), X-pipe and Corsa Sport exhaust. Deleted the air system and cats. *Not tuned yet.
Did u feel a big difference down low and up top even before tuning ? My people said major jump in torque down low, but I'm wondering about above 5k rpm on stock ls1
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Did u feel a big difference down low and up top even before tuning ? My people said major jump in torque down low, but I'm wondering about above 5k rpm on stock ls1