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BorgWarner EFR 9180 Turbo


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 EFR 9180

The EFR9180 is BorgWarner’s answer to the goal of a 1000hp capable turbo with unparalleled spool and response. Winning races is the purpose of this turbo. Honda’s Indy car Team, 2013 and 2014 World Time Attack Champions Tilton Racing, 2012 WTAC champs Nemo-Racing, FXMD NSX and many more – this turbo redefines what 67mm turbos are capable of.

EFR 9180 is the biggest, baddest, highest flowing turbo in the EFR family. Capable of a remarkable 94lb/min airflow and stable at high boost levels, the 91mm OD compressor measures 67.7mm inducer and is a 7 blade extended-tip FMW compressor wheel design. Utilizing the identical design and material turbine and compressor wheels as Honda’s IndyCar 2.2L single turbo engines, EFR9180 is ideal for use as single turbo applications in the 700-1000hp per turbo range, or as very high power twin turbo applications >1000-1700+hp.

Compressor Specifications:

Compressor Type: Forged-Milled Wheel (FMW) Extended Tip

Compressor Wheel OD (exducer): 91mm

Compressor Wheel Inducer: 67.7mm

Max Flow Rate: 94 lb/min

Built-in BOV: All EFR compressor housings incorporate an integrated BOV.

Compressor Housing Connections:

Inlet: 4″ Ported Shroud Hose Coupler

Outlet: 2.5″ Hose Coupler w/ integrated Vband option

Turbine Specifications:

Turbine Type: Low Inertia Gamma-Ti Turbine Wheel

Turbine Wheel OD: 80mm

Stainless Steel Sand cast Housing

    The EFR 9180 is available in these different turbine housing configurations:

0.83 A/R T3 Undivided (Internal WG)

1.05 A/R T4 Twin Scroll (external WG)

0.92 T4 Twin Scroll IWG 

1.45 A/R T4 Twin Scroll (external WG) can also be sourced.

Turbine outlet: GT-Vband (aka small 3″ vband) ~92mm OD for all EFR turbos.

Additional Photos


Dual Row Ceramic Ball Bearings – lowest friction and fastest spool/response, most extreme durability, built-in oil control orifice – (aka oil restrictor) **no restrictor can be used with EFR turbos

Watercooled Center Section – watercooling is recommended, 14mm banjo bolts.

Double seals on both turbine and compressor end for extreme durability and resistance to any oil seepage.

Boost Control Solenoid Valve Integrated to Compressor Housing.

Integrated Speed Sensor mounting provisions.

Additional information

Turbo Variation

0.92 T4 Twin Scroll IWG 12809880000, 0.83 T3 Single Scroll 179358, 1.05 Twin Scroll No WG 179394

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