Turboplus Intercoolers Turboplus Aircraft Systems Inc.

General Aviation Intercoolers & Engine Upgrade Kits

253.851.1769 Gig Harbor, WA

Mooney M20K Intercooler Kit

Your Mooney 231 is now a 241!

241 MPH @24,000 FT. MAX SPEED

Mooney M20K Pic 1

Picked up my Turboplus Intercooler at KTIW today on the way down to Reno. The quality shows in the craftsmanship. I can't wait to have it installed.
Thanks for coming out for a personal delivery Jeff.
- mooneyspeed , September, 2017

Mooney M20K Pic 2

The things are just too simple, durable, and effective to need a lot of parts.  In eight years of ownership I have had mine cleaned once at that's it, and its 15 years old. In the meantime, it just works, and keeps my engine cool.   Thank you for your most excellent contribution to GA.
- J. Lunseth, October, 2017

Mooney M20K Pic 3

The Turbo Plus is not that hard to install. My AP and I did it in a little more than a day. The heater box mod is very simple. Everything else is very straightforward. Yes, you'll have to paint the lower cowl and touch up the cowl flaps. I would think the NACA duct in the Turbo Plus installation will deliver more cooling air than the blast tube design. At cruise altitudes I frequently see over a 100 degree drop between CDT and IAT.
- Mooneyspace, October, 2017

Mooney M20K Pic 4

I am the proud owner of a M20K/231 with a Turboplus intercooler. The plane performs so well with the intercooler, on average it cools the air about 75 degrees going into the engine. I can see a difference in CHT's and it runs so smooth. Thanks for making such a great product!
- Mike Haley, December, 2017

Mooney M20K Pic 5
Mooney M20K Air Temperature Chart

Mooney M20K Charge Air Temperature Chart

I highly recommend every 231 owner to Turboplus their engine.
- John D. Beer, October, 2017

We now enjoy performance that almost matches the “252” and for about $90,000 less. This modification has proved invaluable.
- Mark Whitcomb, October, 2017


The Turboplus Mooney M20K intercooler system

The Turboplus Custom Designed NACA Duct for your airplane provides the most efficient airflow systems to your Intercooler assembly and to the turbocharger. The direct airflow system into the intercooler are proven to be the most effective and efficient way to supply ambient air right at the intercooler installation.  NACA ducts are used worldwide in passenger jets, NASCAR, high performance automobiles and in the aerospace industry.

The Turboplus Mooney M20K, 231 intercooler system provides ram air through their custom designed NACA duct that directs ambient air through the custom designed intercooler assembly. The NACA duct creates no drag.

YOUR Mooney 231 can now achieve speeds up to 241 MPH.

Turboplus Aircraft Systems, Inc. is the only general aviation aftermarket intercooler kit manufacturer to offer a Five-Year warranty on their intercooler system.

Turboplus Aircraft Systems, Inc. will ship your order to your home, business or any FBO shop of your choosing. Don't fly to us when we can ship to you.


Mooney M20K Intercooler Kit

Intercooler Benefits

  • Up to 80°C/144°F Induction Air Temp. Drop
  • Extended Engine Life
  • Lower Maintenance Costs
  • Full Take-off Power on HOT Days/High Altitude Airports
  • FUEL SAVINGS up to 15%
  • Extended Range
  • Same H.P. with Less M.P.
  • Cooler CHT and Oil Temps Allows Engine Operation Farther from Point of Detonation
  • Engine Critical Altitude Increased
  • Power Correction Chart used when flying with a Turboplus Intercooler System

Intercooler Kit

  • Intercooler with Charge Air Cooling Plenums
  • NACA Duct & Template
  • Engine Intercooler Gauge-3 Temps:
    1. Compressor Discharge Temp.
    2. Charge Air Temp.
    3. Differential Temp.

  • Certified Hardware
  • Custom Intercooler Hoses
  • Turboplus and FAA Documents

Price: $5,995.00


Labor Hours

Estimated 30 Hours Installation

Printable Product Flyer

STC: SA2154NM Intercooler System Installation - Mooney M20K

Download a copy of our ICA

Before any aircraft is accepted for a Turboplus intercooler installation an extensive “flight test" is performed to determine and record the critical engine altitude, oil and cylinder head temperatures and fuel flows at given power settings. Any discrepancies that might affect the efficiency of operation of the Turboplus intercooler are noted. After installation, another “flight test” ensures that engine and aircraft performance adhere to Turboplus Aircraft Systems, Inc. high standards. Post modification flight test data provides a direct "Before and After" comparison of the dramatic improvement in aircraft performance and engine operation.


Turbo Plus Aircraft Systems Inc.
Turboplus Aircraft Systems Inc.
4117 35th Ave NW Gig Harbor WA 98335
Jeff Shapiro
253.851.1769 Office

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