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  • Peterbilt 389 7" Dynaflex Chrome Exhaust Kit Rod Pickett 90 Deg. Elbow
  • Peterbilt 389 7" Dynaflex Chrome Exhaust Kit Rod Pickett 90 Deg. Elbow With Top Stacks
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Peterbilt 389 7" Dynaflex Chrome Exhaust Kit Rod Pickett 90 Deg. Elbow

Calculated at checkout

Product Description


Peterbilt 389 Unibilt Sleeper 7" Dynaflex Chrome Exhaust Kit - 90 Degree Pickett Elbow

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

*Will Not Work On 389 Short Hoods. Please see our 389 Short Hood Listing For That Truck

Premier Quality Stacks With A Look That Is Unmatched!

  • Fits Peterbilt 389 Models With Day Cab or Unibilt Sleeper (2011-2017)
  • DPF/SCR Step Will Need To Be Moved Forward To Use The Classic Rod Pickett Style Elbows (All necessary hardware included)
  • Cowl Panel Will Also Likely Need To Be Trimmed Due To The Step Being Moved Forward 2"
  • All Clamps & Brackets For Underneath The Truck Are Sold Separately
  • Kit Includes Stacks, Spools, & Appropriate Clamps & Brackets Required
  • This Kit Also Includes Re-Engineered Step Brackets, Frame Brackets, Replacement Under Carriage Elbow, & A New Gasket
  • 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 Be Approximately 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 Rod Pickett exhaust kit with 90 degree elbow is designed to fit Peterbilt 389 models with a unibilt sleeper built in the year 2011 to 2017. It does NOT fit day cabs. The DPF/SCR step will need to be moved forward to use the classic Rod Pickett style elbows; all necessary hardware is included. The cowl panel will also likely need to be trimmed due to the step being moved forward 2 inches. The kit includes stacks, spools, and appropriate clamps and brackets required. The kit also includes re-engineered step brackets, frame brackets, replacement under carriage elbow, and a new gasket. 

*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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