I think the dealership wanted 1500 installed for the Corsa when I got my truck. That was in June of 04 though when the corsa was newer. Dealership prices suck. Thats why I tried the extreme flow. I think I paid around 700 dollars for the "performance package" claimed like 45 hp and two more mpg. Sounded good at the time. 
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2004 Lux with 6 inch Fabtech with tie rods, 38 inch MT's, 4:88 gears, and some minor engine tweaks.
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