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The Car Chemistry Insert Kit looks really simple but it's the result of a ton of R&D and dyno testing-they not only quiet down the exhaust note but do so without compromising performance. (Car Chemistry actually specializes in muffling systems for race cars and motorcycles where their technology not only cuts noise levels but enhances performance as well.) Though, in my case, and perhaps most cases, powering a 1,500-pound or so hot rod to exhilarating velocities is usually not a problem-the problem is lookin' cool while doin' it. View Related Article
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