What does the .91 A/R ratio mean for the turbine housing?

The A/R ratio (Area/Radius) of the turbine housing indicates its flow capacity. A .91 A/R generally offers a good balance between allowing the turbo to spool up relatively quickly and still providing ample flow for higher RPM power.

What kind of supporting modifications are typically needed for this turbocharger?

Installing a turbocharger of this size usually requires upgrades to fuel systems, engine management tuning, and potentially intercooling and exhaust systems to handle the increased airflow and boost safely and effectively.

Is this turbocharger suitable for a daily driver?

While the S300SX3 is a well-built turbo, its performance characteristics are geared towards enhanced power output. Its suitability for a daily driver depends heavily on the specific vehicle, the rest of the engine build, and the desired driving experience after tuning.

BorgWarner Turbocharger S300SX3 T4 .91 A/R 60mm Inducer 1772

Name: BorgWarner Turbocharger SX S300SX3 T4 A/R .91 60mm Inducer
Brand: BorgWarner
SKU: borgwarner-borgwarner-turbocharger-sx-s300sx3-t4-a-r-91-60mm-inducer-t14-4385317
Price: 1164.80 USD
Availability: InStock

BorgWarner Turbocharger SX S300SX3 T4 A/R .91 60mm Inducer

$1164.80

In Stock

BorgWarner Turbocharger SX S300SX3 T4 A/R .91 60mm Inducer. This turbocharger features a 60mm inducer for improved airflow.

Key Features

This turbocharger features a 60mm inducer compressor wheel.
It utilizes a T4 turbine inlet flange.
The turbine housing has a .91 A/R ratio for balanced performance.
This BorgWarner turbocharger is not CARB approved and cannot ship to California.
Part number 177272 identifies this specific BorgWarner model.

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Product Details

This BorgWarner S300SX3 turbocharger is built around a 60mm inducer wheel, a key detail that directly impacts how much air can be drawn into the engine. The T4 turbine housing, with a .91 A/R ratio, is designed to balance quick spool-up with top-end power, making it a versatile choice for many performance builds. This particular unit is not CARB approved, so it cannot be shipped to California.

The S300SX3 series from BorgWarner is well-known for its robust construction and reliable performance in demanding applications. The compressor housing is designed for efficient airflow, helping to increase boost pressure and horsepower. The turbine housing is cast from durable material to withstand high exhaust gas temperatures. When considering a turbocharger of this caliber, it's important to ensure your supporting systems—like fuel delivery, engine management, and cooling—are up to the task to maximize its potential and ensure longevity.

Installing a turbocharger like this often requires custom fabrication for exhaust and intake plumbing, as well as tuning to properly manage the increased airflow and boost. It's a significant upgrade that can transform an engine's power output, but it requires careful planning and execution. BorgWarner has a long-standing reputation for producing dependable forced induction components, and this S300SX3 model continues that tradition.