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  • Peterbilt 389 2018 7" Dynaflex Chrome Exhaust Kit
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Peterbilt 389 2018 7" Dynaflex Chrome Exhaust Kit

Calculated at checkout

Product Description


Peterbilt 389 2018+ 7" Dynaflex Chrome Exhaust Kit

*Kit Is Designed To Be Installed On Trucks With DPF; If You Do Not Have A DPF, Please Call Before Purchasing

Premier Quality Stacks With A Look That Is Unmatched!

  • Fits 2018+ Peterbilt 389 Models
  • Kit Includes Stacks, Spools, & Appropriate Clamps & Brackets Required
  • All Clamps & Brackets For Underneath The Truck Are Sold Separately
  • Uses Patented Taper Lock Design
  • 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 models with daycabs or unibuilt sleepers built in 2018. The kit includes stacks, spools, and appropriate clamps and brackets required. 

*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. Failing to provide a commercial address could result in delays with processing your order. Please refer to our Shipping Info section at the bottom of our website for more information.


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Product Videos

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