Grand Rock Powerflow "Big Rig" Dual Stack Kit

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.