UPP 04-06 GTO Twin Turbo Kit


This system features a 304 stainless steel hot side that mates directly to our cast manifolds, locating the turbos just behind the headlights.  ****New T304 stainless steel turbo manifolds now available!**** This system made 550WHP @ 8PSI on a stock LS1 and 600+WHP @ 8psi on a stock LS2 and full boost was achieved by 3200RPM’s; far sooner than on a centrifugal supercharger system. This results in a better power curve, more torque, and more power delivered to the wheels. This turbo system was designed to have an aggressive appearance while maintaining all factory options. Our 5871 turbos will cover you up to 1100WHP and if that isn’t enough our 6182R stage 2 ball bearing turbo upgrade will cover you all the way up to 1400WHP. We offer an industry first 2 YEAR WARRANTY on our turbos and a LIFETIME WARRANTY on both our hot and cold side plumbing.

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This system includes:

  • 2x Cast Truck Manifolds with Up-Pipes or 2x Stainless Steel Tubular Manifolds
  • 2x UPP-5871 Turbos
  • 2x Down-pipes
  • 2x K&N Filters
  • 2x 7PSI TurboSmart 40mm Wastegates
  • TurboSmart Race Port BOV
  • 8x 60lb/hr FIC Fuel Injectors
  • Front Mount Air-to-Air Intercooler
  • Intercooler Piping
  • 3-Ply Silicone Couplers
  • Stainless Steel T-Bolt Clamps
  • Stainless Steel Oil Feed/Return Lines W/AN Fittings
  • Spark Plug Wires
  • All Necessary Hardware and Fittings

Installation video available here!



The UPP twin turbo system is designed with style and performance in mind. With a top mount “in your face” design, it’s sure to draw a crowd when you pop your hood.   ****NEW*****  We now have full T304 Stainless Steel Tubular Manifolds available as an upgrade option for an even cleaner installation and more overall flow!


This systems is fully customizable and tunable to whatever your application needs are. As with most of our systems we don’t include a base “cookie cutter” tune with this system. We believe each and every system should be individually tuned based off what your needs are. You have the ability to make the system as mild/wild as you desire!

More Power?

Don’t worry, we’ve got you covered there too! With the base 58mm turbos (5871) the system will support up to 1100hp! If that’s still not enough, you can jump right into our Stg 2 62mm Ball Bearing turbos (6182R) which will flow up to 1400hp! Now of course supporting mods are required for higher hp applications, but the system has been designed to grow with you as your needs change.

We also have your choice in injector size from 60lb/hr standard, 80lb/hr (+$100), 96lb/hr (+$200), 127lb/hr (+$500), OR 196lb/hr (+$700).

Ceramic Coating

We now offer optional ceramic coating (+$650). Our ceramic coating is a two part process featuring a flow coating on the interior of all pre-turbo piping; 15mil thick coating causing a 60% drop in thermal transfer through the piping. Then all of the exhaust components are ceramic coated externally for an additional layer of protection along with a smooth matte black finish.



Not only do we provide the utmost performance with our turbo systems, but we stand behind them. All of our turbos come with an industry first 2 yr warranty, and all of our manifolds/piping comes with a Lifetime Warranty. Top this off with a customer service support that’s second to none! It’s no wonder so many people choose UPP

Additional information

Weight 190 lbs



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