Well look at it this way. You have an O2 sensor in your exhaust sending mixture/temp readings back to your computer so it can make the required adjustments to fuel. If you have true duals are you going to put one in each pipe? If only in one pipe are you assured that 4 cylinders will cause the sensor to send an accurate message? 2 hooked together? If you leave the "Y" pipe on with it's single sensor then duals will affect nothing but the sound. My guess is just leave it alone. It's not a hot rod and nothing is any more annoying than a loud pick-up truck. I have to assume you are not in high school anymore?
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Today's Featured Article - Show Coverage: The Old Gold National Antique Tractor Show - by Cindy Ladage. Over the fourth of July weekend, the Illinois State Fairgrounds in Springfield, Illinois, was the site of the Old Gold National Antique Tractor Show. Tractors of all makes and models were displayed and separted into categories by their age. Deere, Oliver and even a Wards and Keck Gonerman were part of the crowd. A sea of red International Harvester's seemed to be the the model with the biggest showing. The crowd was decent for the scorching July heat. The opening day started o
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