C40070 InLine Mount 4 inch PRXB Exhaust Brake Kit for 2006-2007 GMC Classic 6.6L Duramax SSC2477CABN GTIN: 00887753498519

GTIN: 00887753498519

GTIN: 00057001445347

and they offer superior traction

Model: 686553

C40070 InLine Mount 4 inch PRXB Exhaust Brake Kit for 2006-2007 GMC Classic 6.6L Duramax SSC2477CABN GTIN: 00887753498519In Line Mount 4 inch PRXB High Performance Exhaust Brake Kit For GMC 06 07 Classic 6. 6L Duramax 32 Valve Engine 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.