Grand Rock Powerflow "Big Rig" Single 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 (stack not included with kits)

 Part Number

 Diameter of Stack

 Inlet Diameter

 SPU-4SK

 4"

 4"

 SPU-5SK

 5"

 4"

 SPU-6SK

 6"

 4"

 SPU-7SK

 7"

 4"

SPU-5SK-5I

5"

5"

SPU-6SK-5I

6"

6"

SPU-7SK-5I

7"

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

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