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I have the tsp 235/239/644/112 with full bolt ons on my ls3 manual. 478 to the rear/422 torque and mine is a daily driver. My tuner did a very good job and I am very pleased over all. I average 16/17 combo mainly city, and 23 mpgs on a trip from north east ohio to baytown (houston) tx. It sounds incredible, gets tons on compliments every time I drive it, and pulls like a champ on top end. There is no way I could go stock again after driving it.
It does have the big cam surge (bucking) at parking lot speeds but trust me you would adjust and find its not that bad to deal with.
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