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Grand Rock Single Stack Kit 4" Inlet With 7" Bull Horn Cut Tip

Part# SPU-7SK,SBH7-36SBC-5
$626.98 Now $569.99
Qualifies for FREE SHIPPING

AVAILABILITY: Ships from Manufacturer


Not Available to Ship to California


Add a Reducer If Your Truck's Exhaust is Smaller Than 4"


Product Description

Grand Rock introduces their PowerFlow Chrome Single Stack Kit with 7" bull horn cut tip. A high performance diesel exhaust system with the “Big Rig” look and style for your truck. Take a big bold step up in looks and performance with a single exhaust stack kit finished with a triple-chrome plated stack tip from the diesel exhaust experts at Grand Rock Exhaust.

Whether you’re heading to the drag strip, tractor pulls, dyno event or just cruising Main Street, your truck needs a stack kit! These kits fit all Ford, GM, Chevy and Dodge applications, Diesel or Gas. Not just for looks, these stack kits are functional too. Now you can route exhaust fumes above and away from livestock, car haulers, and cargo where diesel smoke is unwanted.

Key Features:

  • Maximum Exhaust Flow! Pull that hot air away from your engine.
  • Increased Fuel Mileage! Smile each time you fill Up!
  • Extra Horsepower Gains! Power When You Absolutely Need It.
  • Precise fit, no need to hammer or adjust anything during installation
  • All brackets are zinc plated to prevent rust
  • Save Big with Free Shipping on ALL Grand Rock Stack Kits!
  • Re-metalized, coated weld area – no premature seam rust
  • AccuSeal clamps won’t crush your pipes – , leaving exhaust joints serviceable
  • All tubes are de-burred and cleaned; no sharp edges or saw chips

This PowerFlow Single Stack Kit is a true 4" diameter under-bed exhaust system expanding to a full 5" diameter above the bed. This chrome exhaust kit was designed as a No Muffler exhaust system and features AccuSeal clamps for superior joint sealing. The chrome stack tip is 36 Inches in length and feature high quality triple chrome plating for a killer look that lasts. For reference, a 36" stack will be about even with the top of your truck cab. Taller 48 and 60 Inch tips are also available. Please call for pricing.

This is a universal kit. Built 100% in the USA and comes with a full 1 Year Limited Warranty. Have any questions on what’s involved with an install? Go to our videos section to see a complete installation.

If you have a question about a stack kit, give us a call at 801-938-4891. We also offer 4 Inch, 5 Inch, 6 Inch, and now 8 Inch exhaust stack tip kits and turbo-back stack kits from Grand Rock Exhaust for Ford Powerstroke, Dodge Cummins and Chevy/GMC Duramax Trucks.

Please note: Your Grand Rock stack kit will be made-to-order at Grand Rock’s facility in Ohio, so delivery time for your stacks can vary. Most of the time, kits ship within a week or two and delivery is via UPS Ground.