The Twister, Part I
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Adding a set of 1-5/8-inch Hedman long-tube headers was worth a bunch of torque and horsepower. We also tested a pair of intermediate-length headers that traded midrange torque for better horsepower. If all you do is add a set of headers and a pair of DynoMax Super Turbo 2-1/2-inch mufflers, you can make 439 lb-ft of torque and 329 hp with the longer headers. The intermediate length headers made 338 hp. View Related Article
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