Product categories Intercooler & Piping

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VTT-FAB Billet Aluminum Vacuum/Boost Tees

$9.99

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Need a Tee fitting for plumbing Vacuum, or Boost lines, Don't want to use cheap plastic ones that can get soft when hard, and brittle after they heat cycle? We didn't either, which is why we machined these high-quality billet tees to solve this issue. Machine from 6061-T6 aluminum, and anodized in black for a long-lasting corrosion-free finish, these tees look great, and will you never have to worry about one failing. We offer them in two sizes, each size has 12mm legs and 3 barbs:

7.60mm / -4 Push Lock for people looking to use -4 push lock hose or -4 AN hose. This is a perfect fit for those.

1/4" For people looking to use 1/4" vacuum tube
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VTT 2013-2018 Cummins 6.7L 7-PLY Silicone Charge (Boost) Pipes

$389.99

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VTT is proud to offer the very best EASY-TO-INSTALL charge pipe solution for the 2013-2018 Cummins platform. This system completely does away with the restrictive, and muli-connection stock charge pipe system, and replaces it with two single 7-ply, Heat Resistant, Wire reinforced silicone charge pipes rated at over 250 psi. DON'T struggle trying to install aftermarket hard pipes with 8 clamps, and cuss-worthy space to try to squeeze them in! These are molded for the perfect fit in your engine bay, while not sacrificing anything in the way of flow or size. They also completely isolate your charge air from any additional heat soak coming in from the engine or ambient heat. The stock hot side pipes have many irregular shapes and turns causing turbulence as well as carrying heat.
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VTT 2013-2018 6.7 Cummins GC Turbocharger Upgrade

$2,499.00

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GC Stock – 700 WHP

VTT 6.7 Cummins “GC” Turbocharger Upgrade

Ready to take your 6.7 Cummins to the next level without dealing with core charges, long lead times, or restrictive factory housings? VTT has you covered with our 100% new casting GC turbocharger upgrade.

We retained the best aspects of the factory Cummins turbo design while eliminating key limitations—such as outdated 12-blade turbine wheels, restrictive turbine housings, and cast compressor wheels. In their place, we’ve implemented modern aero advancements, including a billet cobalt VGT nozzle for increased durability and long service life.

Many assume the compressor wheel is the primary factor in power production. While it plays a role, the turbine wheel is the true driver of turbocharger flow and performance—including blade count, aero design, and efficiency.

By replacing the outdated 12-blade turbine with an advanced 9-blade Inconel turbine featuring modern aero and weight-reduction cutouts, the GC turbo delivers:

Stock-like spool characteristics

Significantly increased flow capacity

Up to 700 WHP capability with proper supporting mods

We then take it further with proprietary VTT design enhancements and OE-quality castings, resulting in a true drop-in turbocharger capable of serious performance for towing, sled pulling, or street use—while maintaining factory fitment across all connections.