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Grand Rock Dual Stack Installation Kit Universal T-Pipe Bed Kit for 5" Stacks with 5" OD base

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Product Description

Grand Rock Stack Installation Kit Bed Kit

Dual T-Pipe Installation Kit for 5" Stacks with 5" OD base.

Complete Kit - All Hardware Included

Everything but the Stacks

Mandrel-Bent Aluminized steel exhaust pipes are 4" diameter below bed expanding to 5" above bed. 5" Stacks with 5" base fit into the outlet, creating a smooth exhaust flow! 5" Stack Mounting Clamps are included.

Hooks up to your stock exhaust system just before the muffler. Removes stock exhaust restrictions, improve your truck's power and performance, increases fuel mileage / economy, reduces exhaust gas temperatures (lower EGTs) which increases the longevity of your diesel pickup truck engine. Universal Bed Kit for Ford, Chevy & Dodge Diesel Pickup Trucks.

Powerflow Performance Exhaust System Made in America by Grand Rock!

BENEFITS: *Improve Fuel Mileage *Reduce Exhaust Gas Temperatures (EGTs)

*Increase engine longevity *Big Rig Looks *Big Rig Sound

When used with 36" long stacks the stack tips will reach about 2" above top of cab.

The 4" inlet/5" outlet T-Pipe is mounted in the bed, and only one hole needs to be cut in the bed of the truck. All under-bed pipes are 4" diameter. Exhaust pipes are made of tough, Commercial Grade Aluminized Steel. Flex-pipe is 304 Stainless. Heavy Duty Exhaust Clamps are Zinc-Coated for greater durability.

Complete Cat Back Stack Exhaust Kit includes everything you need to do the stack installation!


  • All Hardware Included
  • Complete Stack Installation Kit
  • Stacks sold separately.

Product Videos

Grand Rock Exhaust Stacks: Chrome Truck Exhaust Stacks (06:22)
Exhaust stacks are a style that is sweeping the nation. Chrome Exhaust stacks were once only popular on the East coast but they have found their way into the hearts of diesel performance enthusiasts on the West coast as well. Grand Rock Exhaust Stacks have been a trusted name in exhaust systems for both big rig and medium and light duty applications for years. Visit Parleys Diesel Performance to custom order your Grand Rock Exhaust Stacks now!http://www.parleysdieselperformance.com/http://www.parleysdieselperformance.com/t/categories/diesel-exhaust-stacks http://www.parleysdieselperformance.com/t/manufacturer/grand-rock-exhausthttp://www.parleysdieselperformance.com/t/vehicles/dodge-cumminshttp://www.parleysdieselperformance.com/t/vehicles/ford-powerstrokehttp://www.parleysdieselperformance.com/t/vehicles/gm-duramax
  • Grand Rock Exh...
    Exhaust stacks are a style that is sweeping the nation. Chrom...

Warranty Information

Warranty Information: Chrome-plated (except weld area) and aluminized parts used on heavy duty truck exhaust systems are warranted against defective material and workmanship for a period of 1 year from date of shipment. Call if you have questions on proper installation techniques. Grand Rock and Black Cloud Diesel cannot be held liable for damage done as a result of improper installation. If a part is determined to be defective, Grand Rock and Black Cloud Diesel reserve the right to replate only and return the part when the part has been modified, altered, or otherwise damaged. Neglect is not Warranted! Keep the parts clean & waxed!

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Product Reviews

  1. Great service 4 Star Review

    Posted by on 26th Apr 2015

    great customer service and i would recommend black cloud diesel products to anyone. but did come across issue with the pieces for the 5 inch dual stack kit. the female ends were bent a lil bit so i had to have them expanded. other than that it went very smooth receiving product in a timely manner.

  2. perfect fit 5 Star Review

    Posted by on 10th Nov 2014

    first i would like to say , when i called they were great to talk with, second after ordering the parts i need they kept in contact with me, third when parts arrived the install was easy and it was a perfect fit for my 2015 Chevy.

  3. easy install 4 Star Review

    Posted by on 3rd Sep 2014

    Product was a easy install after one figures out what peices goes where...only thing i would like to see in diretions is a picture to show exactly what piece goes where

  4. 99 dodge ram 24v 4inch back from turbo 4 Star Review

    Posted by on 25th Oct 2013

    The stack kits great comes with everything u need sounds great looks good love it