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Magnaflow 15789 | ChevroletGMC | Silverado/Sierra | 2500HD | 6.0L | Stainless Performance Exhaust System
"The MagnaFlow Street Series Cat-Back Performance Exhaust System 15789 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 4in. main piping and 1 Straight-Through mufflers ending in a Si...
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