On 3 Performance 70mm Gen 2 Stainless Exhaust Housing Turbocharger


We have been designing a lot of our turbo systems around our newest exhaust housing and its time to bring that same option to our customers.  This is our already proven and popular On 3 76mm turbocharge but paired up with our newest exhaust housing option.  We tooled up and has our .68 and .96ar exhaust housings re-designed to incorporate the v-band inlet design to eliminate the traditional t-4, 4 bolt housings.  This has a laundry list of benefits and the main two are adjustability and the easy of installation.  When using a traditional flange, you do not have ANY adjustment, it bolts in place and if your flange is off, your stuck with it.  In this case, you simply would rotate the turbo slightly to the position needed and tighten the turbo down.  You now also only have 1 nut to tighten down and secure the turbo in place, it doesnt get much easier than that.  We cannot leave out the fact that its also cast from stainless steel so your not going to have any rust after a few months of sitting or driving.  The standard iron housings will rust if they are not coated.

There are also benefits to the design, your flowing a round pipe now to a round flange at the turbo.  Before when you run a round tube to a square flange and then back into the turbo, it can disrupt the airflow and become a restriction.  This was you are keeping the airflow as smooth as possible and leaves room to potentially pick up HP.

On 3 Performance already has a great reputation for our larger journal bearing units and have added this to the line up.  We have a number of single application cars running this but most common in V-8 Twin Turbo applications.  For a moderate v-8 TT setup (up to 900Hp) this turbo used in a twin application is perfect.

Please do not email and ask if this turbo will work on your application. All specs of the turbo are posted above and would recommend to be used on at least 3.0l+ applications. We cannot answer and know every kit out there and if its going to be an identical bolt in upgrade. Generally it will be a simple upgrade in most cases but could involve you cutting/welding


Recommend Turbo Feed and Drain:

To ensure the longevity of your turbocharger, we normally run 1/8″ feed and a 5/8″ return. This is very important and without this properly sized, you can cause damage to the product.

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Perfect for your On 3 Performance upgrade, Custom Mustang, LSx, ect Build

Cold Side

  • Compressor Wheel 61mm
  • .70 a/r
  • 4” Inlet and 2.5” Compressor Outlet
  • Inducer- 70mm
  • Exducer- 99mm

Exhaust Side

  • Exhaust Housing:  V-band Inlet / Outlet, Stainless Casting
  • . 68 or .96 ar Exhaust Housing – Specify When Ordering
  • 3.0″ Vband outlet
  • Inducer- 74.5mm
  • Exducer- 65mm


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