I bought my bike with Vance & Hines pipes on it. It was pretty loud so I put the goat back on. I didn't notice any change in power at the time. This weekend I put the V&H pipes back on to see if they were as loud as I remembered (they are). What I didn't expect was how much more torque I got. When I twisted the throttle it thew me back in my seat because I wasn't expecting it. :surprise: So here's my question. Is it possible that the prior owner did something to the carb to make it run better on those pipes?