i have an 01 cobra with a novi 1000 and it put down 415rwhp with the stock pulley on it. i think the stocker is 3.50. which pulley should i put in next., the 3.25 or the 3.00. how much boost increase am i lookin at with a bigger pulley. and all my numbers are on stock exhaust. what numbers will i be puttin down with a bigger pulley and full exhaust?