Okay its time to buy a pipe. I currently have the stock WR muffler with the baffles removed and a high flow tip on. I want to get a new exhaust system but I have a two part question. 1. How much noticable performance after jetting will I get with the new pipe over my current set up above and is the difference really worth the money? 2. I can probley get either the Powercore 4 or the Type 496 for the same cost, (hook up!!!). Which one of these two pipes do I get then if cost is no issue and noticable performance is the total decision maker? You guys rock thanks in advance for the answers.