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Grand Rock
Stacks Competition Hood Stack Exhaust Kits
Intended for Pickup Truck Race Competition Off-Road Use *Lowers your EGT's! Aailable in 5", 6" and 7" with your choice of Mitre or Straight Cut Stacks in Chrome or Raw Finish!

Grand Rock Hood Stacks do Not reduce down in diameter at the base.
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| Grand Rock Hood Stack Exhaust Kits with Triple Plated CHROME HOOD STACK
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Hood Stacks available in Commercial Quality Triple Plated Chrome, or Paintable Raw Steel Hood Stacks in 5, 6, and 7 inch diameter, are 20 inches long, and do not reduce at the base.
Select the Size, Style and Finish for your Hood Stack, then select the Hood Stack Competition Exhaust Kit to match size of Hood Stack.
If you already have a competition exhaust hood stack, and just need the installation kit, select here:
Grand Rock Powerflow Exhaust System Exhaust and Stacks are Made In America! Stacks and kits are built in Ohio, produced from heavy gauge, American made materials. All Grand Rock Stacks are triple-plated chrome giving them a high quality, showroom shine that outlasts the competition!
The Grand Rock/Powerflow Universal Hood Stack Kit is designed & engineered with the intention of Race & Off Road use ONLY. Not recommended for street or passenger vehicle use. Black Cloud Diesel and Grand Rock/Powerflow recommends checking with local emission & exhaust laws prior to purchasing an exhaust system for a street or passenger vehicle.
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| Our Stacks are simply the best in Quality and Durability. Made in USA.
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