How much power can the AMS Toyota GR Supra turbo kit make?

The AMS Toyota GR Supra turbo kit targets over 600 wheel horsepower with the Garrett GTX3076R Gen II turbocharger. Actual power output varies based on supporting modifications, fuel octane, tune, ambient conditions, and other factors — the 600whp+ figure represents a generally attainable result under optimal conditions with appropriate supporting modifications.

Does the AMS Toyota GR Supra turbo kit require modifications to the car?

No permanent modifications are required. The AMS Toyota GR Supra turbo kit is a direct bolt-in installation compatible with all factory features including air conditioning, power steering, and all other OEM options. The kit is also fully reversible — the car can be returned to stock configuration with a few inexpensive replacement parts.

How does the AMS Toyota GR Supra turbo kit integrate with the factory ECU?

The AMS Toyota GR Supra turbo kit uses the factory electronic wastegate actuator mounted via an AMS CNC-machined actuator rod adapter, allowing the factory ECU to retain full boost control. This preserves OEM-like throttle response and drivability — including part-throttle and on-off throttle behavior — that externally gated kits cannot replicate.

Do I need to purchase a charge pipe separately for the AMS Toyota GR Supra turbo kit?

If you do not already have the AMS Performance GR Supra 3-inch charge pipe installed, a custom charge pipe solution will need to be fabricated during kit installation. If the AMS 3-inch charge pipe is already fitted, no additional charge pipe purchase is required — a key advantage over competing kits that require buyers to purchase a new charge pipe.

What catalytic converter is included with the AMS Toyota GR Supra turbo kit?

The AMS Toyota GR Supra turbo kit includes a GESI G-SPORT EPA-compliant catalytic converter integrated into the 3.5-inch stainless steel downpipe. This is a high-flow catalyst that meets EPA regulations and is rated for the power levels this kit targets, not a hollow test pipe.

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Description

AMS Performance Alpha 6 GTX3076 Gen II Street Turbo Kit for A90 / A91 Toyota GR Supra

Toyota GR Supra turbo kit from AMS Performance is the Alpha 6 GTX3076 Gen II, the first publicly available, internally gated full turbo kit for the A90 and A91 GR Supra (B58 3.0L I6 turbo, 2020-present), targeting over 600 wheel horsepower while preserving factory ECU integration, OEM electronic wastegate control, and full compatibility with air conditioning, power steering, and all other factory options. The AMS Toyota GR Supra turbo kit is designed for a direct bolt-in installation with no permanent modifications to the vehicle, integrating the factory electronic wastegate actuator via an AMS CNC-machined actuator rod adapter for OEM-like boost control, superior throttle response, and excellent drivability under demanding road course conditions.

Why the AMS Toyota GR Supra Turbo Kit?

The AMS Toyota GR Supra turbo kit is engineered to minimize bends and restrictions throughout the intake and exhaust path, maximizing airflow efficiency into the B58 engine. CNC-machined adapters facilitate the direct installation of AN coolant and oil lines onto the B58 for a leak-free installation, with oil and water lines pre-installed to the CHRA and compressor cover clocked at the factory, saving significant installation time versus kits that require the builder to do this work from scratch. The internally gated design eliminates the need for an external wastegate, avoiding the additional weight and flow disturbances associated with external wastegate configurations. The AMS Toyota GR Supra turbo kit is also fully compatible with the AMS Performance GR Supra 3-inch charge pipe if already installed, eliminating the need to purchase a charge pipe twice as required by some competing kits.

Exhaust Manifold, Downpipe, and Turbocharger

The exhaust manifold is hand-fabricated from 1.5-inch ID 304L stainless steel schedule 10 piping, with v-band connections integrated into both the manifold and turbine housing for a leak-free, hassle-free installation. The 3.5-inch downpipe is TIG-welded from durable stainless steel and incorporates a v-band connection, a 3.5-inch flex section with a smooth internal liner, a GESI G-SPORT EPA-compliant catalytic converter, and a factory-style 80mm slip joint for bolt-in integration with existing exhaust systems. The Garrett GTX3076 Gen II turbocharger features a 58mm inducer, a 4-inch inlet and 2-inch discharge compressor cover for superior airflow versus smaller 3-inch covers, advanced CFD-optimized Gen II compressor wheels, and an 8mm dual ceramic ball bearing cartridge that significantly reduces shaft motion for optimal spool response and long-term reliability.

Features

Garrett GTX3076 Gen II turbocharger with 58mm inducer 600whp+ target
Internally gated system using factory electronic wastegate no external wastegate required
OEM-like boost control, throttle response, and drivability preserved
Hand-fabricated 1.5″ 304L stainless steel exhaust manifold with v-band connection
TIG-welded 3.5″ stainless steel downpipe with GESI G-SPORT EPA-compliant catalytic converter
Powder coated 4″ aluminum intake piping with sensor bung
CNC billet aluminum wastegate rod adapter for factory electronic wastegate mounting
CNC billet aluminum oil and water port AN adapter fittings for leak-free install
Oil and water lines pre-installed; compressor cover pre-clocked saves installation time
Coolant and oil line sheaths for superior heat management
Cleanable and reusable dry media air filter
Fully reversible returns to stock with inexpensive replacement parts
Compatible with AMS Performance GR Supra 3″ charge pipe
All hardware, lines, and couplers included

What’s Included

GTX3076R Gen II Garrett turbocharger
TiAL internal wastegate exhaust housing with 3.5″ v-band discharge
AMS Performance exhaust manifold with 1.5″ primaries
AMS Performance CNC billet aluminum wastegate rod adapter
AMS Performance powder coated 4″ aluminum intake piping with sensor bung
AMS Performance dry media air filter
AMS Performance TIG-welded 3.5″ 304L stainless steel downpipe with GESI cat
AMS Performance CNC billet aluminum oil and water port AN adapter fittings
AMS Performance ancillary components (all hardware, lines, and couplers)

Applications

Toyota GR Supra: A90, A91 | 2020-present

Notes

A custom charge pipe solution will need to be fabricated during installation unless the AMS Performance GR Supra 3″ charge pipe is already installed.
Power figures are approximate and vary based on ambient temperature, elevation, fuel octane, supporting modifications, and other factors. Results represent generally attainable outcomes under optimal conditions.
49-state legal. Not available for emissions-controlled vehicles in California or for shipment to California addresses without a completed AMS Race Waiver form. International buyers should comply with local laws and regulations

Frequently Asked Questions

How much power can the AMS Toyota GR Supra turbo kit make? The AMS Toyota GR Supra turbo kit targets over 600 wheel horsepower with the Garrett GTX3076R Gen II turbocharger. Actual power output varies based on supporting modifications, fuel octane, tune, ambient conditions, and other factors the 600whp+ figure represents a generally attainable result under optimal conditions with appropriate supporting modifications.
Does the AMS Toyota GR Supra turbo kit require modifications to the car? No permanent modifications are required. The AMS Toyota GR Supra turbo kit is a direct bolt-in installation compatible with all factory features including air conditioning, power steering, and all other OEM options. The kit is also fully reversible the car can be returned to stock configuration with a few inexpensive replacement parts.
How does the AMS Toyota GR Supra turbo kit integrate with the factory ECU? The AMS Toyota GR Supra turbo kit uses the factory electronic wastegate actuator mounted via an AMS CNC-machined actuator rod adapter, allowing the factory ECU to retain full boost control. This preserves OEM-like throttle response and drivability including part-throttle and on-off throttle behavior — that externally gated kits cannot replicate.
Do I need to purchase a charge pipe separately for the AMS Toyota GR Supra turbo kit? If you do not already have the AMS Performance GR Supra 3-inch charge pipe installed, a custom charge pipe solution will need to be fabricated during kit installation. If the AMS 3-inch charge pipe is already fitted, no additional charge pipe purchase is required a key advantage over competing kits that require buyers to purchase a new charge pipe.
What catalytic converter is included with the AMS Toyota GR Supra turbo kit? The AMS Toyota GR Supra turbo kit includes a GESI G-SPORT EPA-compliant catalytic converter integrated into the 3.5-inch stainless steel downpipe. This is a high-flow catalyst that meets EPA regulations and is rated for the power levels this kit targets, not a hollow test pipe.

About AMS Performance

AMS Performance is an engineering-led manufacturer of high-performance automotive components, founded on principles of integrity and dedicated to extracting maximum performance from turbocharged vehicles. With two decades at the forefront of the industry, AMS combines computer-aided design, CFD analysis, and mechanical engineering expertise from motorsports backgrounds to deliver components that go beyond off-the-shelf solutions. Their catalog spans complete turbo kits, intercoolers, intake manifolds, downpipes, and turn-key packages for drag racing, road racing, and high-performance street applications.

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