When it comes to performance upgrades, the Audi S4 APR Stage 2 Ultracharger is a modification that many enthusiasts swear by. This upgrade takes the already impressive Audi S4 and turns it into a powerhouse on the road. In this article, we will delve into what the Audi S4 APR Stage 2 Ultracharger is, how it works, and why it is worth the investment.
What is the Audi S4 APR Stage 2 Ultracharger?
The Audi S4 APR Stage 2 Ultracharger is a performance upgrade that takes the stock 3.0-liter V6 engine of the Audi S4 and adds an Eaton TVS1740 supercharger unit. This upgrade is designed to increase the horsepower and torque output of the Audi S4 while maintaining reliability and drivability. The APR Ultracharger System includes the supercharger unit, intake manifold, and all necessary hardware to install the upgrade.
The Eaton TVS1740 supercharger unit is a positive displacement supercharger that provides instant boost throughout the powerband. This means that power is available immediately when the accelerator is pressed. The APR Ultracharger System also includes a high-flow air filter, upgraded fuel injectors, and an APR Stage 2 ECU tune. These components work together to increase the power output of the Audi S4 while maintaining drivability and reliability.
How Does the Audi S4 APR Stage 2 Ultracharger Work?
When the APR Ultracharger System is installed on the Audi S4, the supercharger unit provides additional airflow to the engine. This results in an increase in horsepower and torque output. The high-flow air filter and upgraded fuel injectors ensure that the engine is receiving the necessary amount of air and fuel to operate at its maximum potential.
The APR Stage 2 ECU tune is designed specifically for the Audi S4 APR Stage 2 Ultracharger. This tune optimizes the air/fuel ratio, ignition timing, and boost pressure to maximize the power output of the engine. The ECU tune also includes features such as launch control, flat-foot shifting, and rev limiter increase for an even more engaging driving experience.
Why is the Audi S4 APR Stage 2 Ultracharger Worth the Investment?
The Audi S4 APR Stage 2 Ultracharger is worth the investment for several reasons. Firstly, it significantly increases the horsepower and torque output of the Audi S4. The stock Audi S4 produces 349 horsepower and 369 lb-ft of torque. With the APR Ultracharger System installed, the Audi S4 produces up to 520 horsepower and 467 lb-ft of torque. This increase in power makes the Audi S4 a true performance machine.
Secondly, the APR Ultracharger System is designed to maintain reliability and drivability. The upgrades are carefully engineered to ensure that the Audi S4 operates smoothly and reliably. The ECU tune is also designed to provide a seamless driving experience without sacrificing drivability. This means that the Audi S4 APR Stage 2 Ultracharger can be used as a daily driver without any issues.
Lastly, the APR Ultracharger System is backed by APR's industry-leading warranty. This warranty covers the entire APR Ultracharger System and provides peace of mind to owners. The warranty ensures that any issues with the upgrade will be taken care of promptly and professionally.
In conclusion, the Audi S4 APR Stage 2 Ultracharger is an upgrade that is worth the investment. It significantly increases the power output of the Audi S4 while maintaining reliability and drivability. The APR Ultracharger System is backed by a comprehensive warranty that provides peace of mind to owners. If you are looking to take your Audi S4 to the next level, the APR Ultracharger System is an upgrade that you should consider.
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