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Grand Rock Dual Stack Kit 07.5-09 6.7L Dodge Cummins


Grand Rock Dual Stack Kit 07.5-09 6.7L Dodge Cummins
Up
Grand Rock Dual Stack Kit 94-02 5.9L Dodge Cummins

Stack styles are as follows from left to right:

Aussie
Straight Cut
Mitre/Angle Cut
Curved/Turnout
Bullhorn/Bullhauler



Cab Back vs. Turbo Back
Cab Back [Add $0.00]
Hooks to Original Exhaust at Back of Cab

Turbo Back [Add $250.00]
Replaces Exhaust fromTurbo to Stack Kit

Stack Size
Four Inch (not for use if you already have 5" underbed exhaust)
Bullhorn/Bullhauler and Aussie are not available in four inch.

Five Inch [Add $100.00]

Six Inch [Add $200.00]

Seven Inch [Add $300.00]

Stack Style
Straight Cut
Grand Rock’s classic Straight Cut has a style that’s sure to stay for years. This stack setup is available in 4, 5, 6, and 7 inch. Simply choose what size hookup (what size exhaust is currently under the truck) and the size of stacks you want, and you’re on your way to that big rig look you’ve been yearning for.

Mitre Cut [Add $0.00]
Grand Rock’s classic Mitre Cut has a style that’s sure to stay for years. This stack setup is available in 4, 5, 6, and 7 inch. Simply choose what size hookup (what size exhaust is currently under the truck) and the size of stacks you want , and you’re on your way to that big rig look you’ve been yearning for.

Curved/Turnout [Add $50.00]
Grand Rock’s classic Turnout has a style that’s sure to stay for years. This stack setup is available in 4, 5, 6, and 7 inch. Simply choose what size hookup (what size exhaust is currently under the truck) and the size of stacks you want, and you’re on your way to that big rig look you’ve been yearning for.

Aussie (not available in 4") [Add $100.00]
Grand Rock’s newest lineup, called the Aussie, has a distinctive turnout style like none other. This stack setup is available in 5, 6, and 7 inch. Simply choose what size hookup (what size exhaust is currently under the truck) and the size of Aussies you want, and you’re on your way to that big rig look you’ve been yearning for.

Bullhorn/Bullhauler (not available in 4") [Add $150.00]
Grand Rock’s new Bullhorn has a distinguishing elongated curve to it that’s sure to turn heads! This stack setup is available in 5, 6, and 7 inch. Simply choose what size hookup (what size exhaust is currently under the truck) and the size of stacks you want, and you’re on your way to that big rig look you’ve been yearning for.

Exhaust Hookup Size
What size is your exhaust under the truck? If you are purchasing a turbo back kit, simply choose four inch.
Three Inch (will ship with three to four inch adapter)

Four Inch [Add $0.00]

Five Inch [Add $0.00]

Summary
Customized Price: $519.00
Quantity:


  • Four Inch (not for use if you already have 5" underbed exhaust)
  • Straight Cut
  • Three Inch (will ship with three to four inch adapter)