DIESELR Universal Twister/Auger MufflerFor serious diesel builders who want clean tone, strong flow, and zero drone. The DIESELR Twister Auger Muffler is a universal, spiral core muffler built for diesel trucks and custom exhaust setups. Whether you're tuning a 6. 6L Duramax or working on a full custom pipe system, this muffler delivers the aggressive tone diesel owners wantwithout the annoying drone. Built for Performance & Longevity This auger style muffler features a high flow, straight
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