Description
In Line Mount 4 inch PRXB High Performance Exhaust Brake Kit For GMC 06-07 Classic 6.6L Duramax 32 ValveEngine-Allison 1000 Series Automatic Transmission without optional 2nd alternator Pacbrake Get the highest braking power to lowest price ratio available on the market with PRXB Exhaust Brakes by Pacbrake. We are proud suppliers of exhaust brake systems for use in the US Army’s fleet of Stryker Wheeled Vehicles.
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