BorgWarner Turbocharger SX K04 Audi RS4 Upgrade (Left)

If you're looking to significantly boost the performance of your Audi RS4's engine, a high-performance turbocharger is key. This BorgWarner K04 SX turbocharger is specifically designed as the left-side unit for your RS4, offering an upgrade path for those seeking more power and responsiveness from their twin-turbo setup. It's built to handle the demands of a performance-oriented vehicle, helping to force more air into the engine for increased combustion and horsepower.

This turbocharger features a well-built design from BorgWarner, a name known for its reliable forced induction components. The K04 series is a popular choice for performance upgrades, offering a good balance between spool time and top-end power. This particular unit is the left-side turbo, meaning it's engineered to work in conjunction with its counterpart on the right side to provide balanced boost across both banks of your V-engine. Its construction is intended to withstand the higher temperatures and pressures associated with performance tuning, ensuring consistent operation when you demand it.

When installing this turbocharger, it's important to consider that it's an upgrade part. This often means that other supporting modifications, such as fuel system upgrades and proper engine tuning, are necessary to take full advantage of its capabilities and ensure engine longevity. Always refer to the manufacturer's installation guidelines and consult with a qualified technician to ensure proper fitment and optimal performance. Please note that this part is not CARB approved and cannot be shipped to California.