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Grand Rock Powerflow "Big Rig" Dual Stack Kit

Our Price: From $266.54 to $397.20
Manufacturer: Grand Rock Exhaust

Application: Universal - All Makes & Models (Fabrication Required)

Product Options


Powerflow "Big Rig" Aluminized Stack Kit

  • Easy-to-install kit gives your pick-up that "BIG RIG" look!
  • Great flow - improved performance.
  • Functional - Routes exhaust fumes above and away from livestock, car haulers, and cargo where diesel smoke is unwanted.
  • Select many different exhaust stack styles and lengths to use with this system (stacks not included with kits)

 Part Number

 Diameter of Stack Hardware

 Base Diameter X2

 Inlet Diameter

 DPU-4SK

 4"

 4"

 4"

 DPU-5SK

 5"

 5"

 4"

 DPU-6SK

 6"

 5"

 4"

 DPU-7SK

 7"

 5"

 4"

 DPU-5SK-5I

 5"

 5"

 5"

 DPU-6SK-5I

 6"

 5"

 5"

 DPU-7SK-5I

 7"

 5"

 5"

NOTE: On ALL Stack Kits that are 6" or 7", order SK, SP or SBH stacks. These are reduced to 5" OD at the bottom.

  • Kit includes 2 bright stainless unistrap clamps to secure stacks
  • Quality AccuSeal heavy gauge band clamps included in kits

Everything included except chrome stacks. Down pipes, Mufflers and Intermediate pipe not included with these kits.

Related Products

Grand Rock Chrome Exhaust Stack Tip
Our Price: From $71.04 to $321.10
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Grand Rock Chrome Exhaust Stack Tip
Universal - Multiple Lengths, Cuts & Diameters (Sold Individually)

Product Reviews

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(18 Ratings, 3 Reviews) Average Rating:
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Strokin
Bob Voisinet (Laingsburg, MI) 5/11/2009 10:32 AM
I add this kit and 6 in angle cut tips to my 2005 Power Stroke. The kit was very easy to install ( about 3-4hrs) and sounds great. Very Loud!! So you might want to keep your muffler on if you dont want it to loud.
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business owner
jason cottrell (tazewell,tn) 4/9/2009 9:43 PM
I LOVE THIS KIT.super easy to install,and all the hardware was perfect,put on a 4x4 dually 00 dodge,eliminated the muffler and ran 6" curved tips,great kit easy to dyi the install.XDP,you guys rock,speedy turnaround and great support with a backorder item,great buying experiance all around thank you!
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Boss
whistlejacket (Canada) 9/26/2008 12:31 AM
Stripping down my new 08 F350- 6.4L Power Stroke. It has been hard to find an exhaust system for my PS and this one looks good and the first one I found with dimentions. I will let you know how it works. Doing the tranny right now then the injectors etc,