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One of the most popular exhaust upgrades is to run a single stack out of the bed. Whether its race inspired, or dump truck, doesn't matter, its a way to set your truck apart from the rest. With this kit from Grand Rock, you'll have everything you need to upgrade from the turbo all the way to the tip of the stack. We've put together these kits that will include all of the correct hardware to include everything from your turbo all the way to a stack in the bed of your Cummins. You can select from any of the five available stack styles, as shown below, as well as choose what diameter stack you're after. Some stacks (Aussie and Bullhorn) are not available in 4", but all other styles will be available in sizes 4", 5", 6", and 7" diameters.
Kits designed for a 4" stack will include a 4" bed kit, while all other sizes will include a 5" bed kit. Each of the 5" bed kits are even specific as to whether they will mount to a 5", 6", or 7" stack due to their varying clamp sizes to mount the stack to the inside bed rail. This kind of attention to detail is what separates Grand Rock apart from the rest.
All you need to do is determine what size and style of stack you're after, and we'll make sure you get all of the parts to mount it up. Kit includes complete bed kit, single stack, complete 4" straight pipe exhaust from the turbo to the bed kit, and all of the mounting hardware.
- ManufacturerGrand Rock
- MPNDC-9402-S4SK | DC-9402-S5SK | DC-9402-S6SK | DC-9402-S7SK
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