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STACK KIT BUILDER

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Grand Rock Stacks

GRAND ROCK CHROME STACK KITS for Diesel Pickup Trucks! Grand Rock Stack Kits are Universal Cat Back Kits or Turbo Back Ford Powerstroke Stacks, Dodge Cummins Stacks, GMC Chevy Duramax!

DIESEL TRUCK STACKS KITS are corrosion-resistant 16-ga. US-made aluminized steel mandrel-bent pipes, *Deburred 1/2" rod hangers, (33% thicker) 3/8" wire hangers, *Welded double saddle, flattened bolt hangers won't crush pipe, *Zinc Plated Brackets prevent rust, *ACCUSEAL™ clamps that won't crush pipes, keeps joints serviceable. *Deburred, Cleaned, No sharp edges or saw chips.

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stacksstyle.jpgDIESEL TRUCK STACK SYSTEMS AND INSTALLATION KITS are corrosion-resistant 16-ga. US-made aluminized steel mandrel-bent pipes. *Precise fit, no need to hammer or adjust.  *Deburred 1/2" rod hangers, no sharp edges or burrs, (33% thicker) 3/8" wire hangers, *Welded double saddle, flattened bolt hangers won't crush pipe. *Brackets zinc plated to prevent rust. *ACCUSEAL™ clamps join pipes together, won't crush pipes, keeps exhaust joints serviceable. *All tubes are deburred, cleaned, no sharp edges or saw chips.

The standard stack length is 36” long, which brings the stacks up to level with the cab or approximately 2” over the cab. Both 48” and 60” stacks are also available if you want your stacks to be much higher than the cab, or if you are doing a custom install and need longer stacks to accommodate your plans. The stack Installation kit adds approximately 10” of length to the stacks because of the T-Pipe mounted in the bed. There is only one hole that needs to be cut in the bed, which is for the T-Pipe. All the piping in the kit is commercial grade aluminized steel. All clamps are heavy duty and Zinc coated for durability. The kit piping transitions from 4” to 5” and all piping above the bed is 5”. Complete 5” kits are available for 5” exhausts. For optimal performance, the ideal ehaust size for diesel trucks is 4” except for trucks making extreme horsepower.

Install a Performance  Stack Exhaust Kit to remove stock exhaust restrictions, improve your truck's power and performance, increases fuel mileage/economy, reduce exhaust gas temperatures (lower EGTs) and increases the longevity of your truck's engine. Universal Cat Back Stack Bed Kit for Ford, Chevy & Dodge Diesel Trucks. Choose from 5 different styles of stacks: Straight, Mitre, Turn Out, Aussie, and Bull Hauler. You will love the quality & look of these commercial quality, triple plated chrome Grand Rock Stacks! We warehouse a large selection of Grand Rock products for same day shipping.

Click here to check out our customer's truck pictures!