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  • Peterbilt 389 Short Hood 7" Dynaflex Exhaust Stack Styles
  • Peterbilt 389 Short Hood 7" Dynaflex Exhaust Stack Styles with Full 7" Y Pipe
  • Peterbilt 389 Short Hood 7" Dynaflex Exhaust Stack Styles
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Peterbilt 389 Short Hood 7" Dynaflex Chrome Exhaust Kit For Day Cab Trucks

$4,756.87
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Peterbilt 389 Short Hood 7" Dynaflex Chrome Exhaust Kit For Day Cab Trucks

*This Kit Will Only Work On Day Cab Short Hood Peterbilt 389 Trucks Years 2011-2017

Premier Quality Stacks With A Look That Is Unmatched!

  • Fits Peterbilt 389 Short Hood Day Cab Models (2011-2017)
  • Designed To Eliminate Leaking of After Treatment Slurry Caused By DEF Systems
  • Includes All Pipework & Bracketry Required Leading Up To The Turbo Pipe
  • Kit Includes Brackets & Components Required to Move the DEF Tank & Emission Control Box with no Welding Necessary! (Required for Operation) 
  • Quality American Made Product

Need Help Selecting Your Stack Length? View Dynaflex Top Stack Height Chart

*68" Top Stacks Will Equal A Total Of 14' Off The Ground! Buy With Caution! Calculation Based Off Of The Average Truck's Top Bracket Being 100" Off The Ground.

The 7" Dynaflex Chrome exhaust kit is designed to fit Peterbilt 389 Short Hood Day Cab trucks which most of us know as the Peterbilt 388. Designed from the ground up for DPF and SCR equipped vehicles, these kits prevent any after treatment slurry from the escaping the lower connection seams. The kit includes stacks, spools, and the appropriate clamps and brackets required. The kit also includes all the needed components to hook up to a turbo pipe and move the DEF Tank and Emission Control Box without needing to weld anything! Give your Peterbilt 389 Short Hood some serious shine with this one of a kind exhaust kit from Dynaflex!

*This product ships LTL Freight and the shipping quotes are based on commercial addresses only. If you need a quote to have this delivered to a residential address or farm, please call us so we can provide you with an accurate shipping price. Please refer to our Shipping Info section at the bottom of our website for more information.

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