HI all, getting a new exhaust on thursday, 2.5in split system, h/flow cats, pacemaker headers (not the comp ones just normal ones) gets a free dyno before and dyno tune after! payin about $1500. anyone know roughly how much power i'll be lookin at after i have this put on? just after a ballpark figure im hoping for about 215-225fwkw. cheers all car is: 98 VT Calais 195i 5L 4spd auto with hsv intake and k&n panel filter.