WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The APR K04-64 Turbocharger System (T2100010) is the ultimate "OEM-plus" power upgrade for the Audi TT (8J). By utilizing a genuine BorgWarner K04-64 turbocharger—the same unit found on high-output models like the TTS and Golf R—this kit transforms the standard TT into a high-performance machine with lightning-fast transient response and a broad, powerful powerband. Designed to be both budget-friendly and reliable, the APR K04 provides a massive jump in horsepower and torque without the complexity or lag often associated with larger aftermarket turbo kits.
APR has optimized this genuine BorgWarner unit specifically for a clean installation. Unlike off-the-shelf K04s, this version features an integrated Diverter Valve (DV) port in the compressor cover to match the factory turbo layout, eliminating potential boost leaks and engine bay clutter. Additionally, the restrictive turbo muffler has been removed and replaced with a high-flow silicone hose to improve airflow and enhance the turbocharger's acoustic presence. Each kit comes complete with all necessary gaskets and hardware, as well as the APR Stage 3 K04 ECU Upgrade.
Features:
- OEM+ Performance: Delivers power levels similar to a tuned Audi TTS or Golf R using a drop-in turbocharger.
- Genuine BorgWarner Hardware: Built around a customized K04-64 featuring a CNC-machined billet compressor wheel and stainless steel manifold.
- Simplified Design: Features an integrated DV mount and a "muffler delete" design for a cleaner, more efficient installation.
- Software Included: Includes the APR Stage 3 K04 ECU Upgrade (software must be installed by an authorized dealer).
- Rapid Response: Engineered for minimal lag and instant torque, making it ideal for both street driving and track use.
- Complete Hardware Kit: Includes all one-time-use gaskets, nuts, bolts, and clamps required for a headache-free install.
Product Contains:
- (1) Customized Genuine BorgWarner K04-64 Turbocharger
- (1) APR Stage 3 K04 ECU Upgrade (Software License)
- (1) High-Flow "EZ-Flow" Silicone Discharge Hose
- (1) Complete Installation Hardware Kit (Gaskets, Studs, Bolts)
Required Supporting Hardware:
To achieve the advertised power figures and ensure engine longevity, the following components are required:
- High-Flow Race Downpipe
- Performance Cold Air Intake
- Upgraded Intercooler System
- Upgraded Spark Plugs
- Audi TT EA888 Gen 2 Specific: Updated PCV Hose (MS100034)
Important Installation Note: Transmission software (TCU tune) and engine internal upgrades may be recommended for certain power levels. Always verify your specific ECU box code compatibility with an APR dealer before purchasing.
Warranty: This product is supported by a Manufacturer's Warranty. Note: Manufacturer warranty terms are subject to change.
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