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Universal 4, 5, 6, 7, & 8" smoke stack kits. These stack kits fit Ford, Chevy, & Dodge full size pickups and include the stack T-Pipe, 2 triple-chrome plated Grand Rock stacks, and all the mounting hardware needed to mount your stacks.
Grand Rock's Stack Kits are some of the best fitting-best looking stacks on the market.
Styles available include Mitre Cut, Bull Hauler, Straight Cut, Turnout , & the new Aussie style triple-chrome plated stacks.
Please note! Expedited shipping costs calculated on your site for Grand Rock Universal stack kits are NOT accurate. If you select expedited freight, we will most likely be calling you with the correct shipping cost, which is generally a lot more than the web site quotes.
-250x250h.jpg "Grand Rock 5 Inch Exhaust Diverter Valve")
-3 %
Brand: Grand Rock
Part Number: HDT-5A
Grand Rock 5 Inch Exhaust Diverter Valve
Part number HDT-5A..
$217.95 $225.00
_7lx6-mg-250x250h.jpg "Grand Rock 4 Inch Exhaust Diverter Valve")
Brand: Grand Rock
Part Number: HDT-4A
Grand Rock 4 Inch Exhaust Diverter Valve
10.5" x 13"
Part number HDT-4A..
$188.95
Brand: Grand Rock
Part Number: DPU-4SK-KIT
High Quality Dual Chrome Pickup Truck Smoke Stack Kit
By Grand RockImprove Fuel Mileage! Reduce Exhaust Gas Temperatures (EGTs)! Kits include everything needed to mount the stacks and connect to your existing exhaust system. Make your Powerstroke, Cummins or Duramax look like a
"Big Rig"They use ..
$492.95
Brand: Grand Rock
Part Number: DPU-5SK-KIT
High Quality Dual Chrome Diesel Pickup Truck Smoke Stack KitKits include everything needed to mount the stacks and connect to your existing exhaust system. Make your Powerstroke, Cummins or Duramax look like a "Big Rig"They use a 5" T-Pipe, which reduces down to a 4" (can be ordered to connect to a ..
$574.95
Brand: Grand Rock
Part Number: DPU-6SK-KIT
High Quality Dual Chrome Diesel Pickup Truck Smoke 6" Stack Kit Kits include everything needed to mount the stacks and connect to your existing exhaust system. Make your Powerstroke, Cummins or Duramax look like a "Big Rig" They use a 5" T-Pipe, which reduces down to a 4" (can be ordered to connec..
$615.00
Brand: Grand Rock
Part Number: DPU-7SK-KIT
High Quality 7" Dual Chrome Diesel Pickup Truck Smoke Stack Kit
Kits include everything needed to mount the stacks and connect to your existing exhaust system. Make your Powerstroke, Cummins or Duramax look like a "Big Rig"
They use a 5" T-Pipe, which reduces down to a 4" (can be ordered to connec..
$748.44
Brand: Grand Rock
Part Number: DPU-8SK
High Quality Dual Chrome Diesel Pickup Truck Smoke 8" Stack KitKits include everything needed to mount the stacks and connect to your existing exhaust system. Make your Powerstroke, Cummins or Duramax look like a "Big Rig"They use a 5" T-Pipe, which reduces down to a 4" (can be ordered to connect to..
$837.40
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