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 2.5 TFSI EVO Carbon Fiber Back Tube (CI100038-B) is a high-performance induction component designed specifically for the Audi RS3 and TT RS (EA855 EVO). This part consists of the massive 4-inch rear carbon fiber tube, offered as a standalone piece for "DIY" enthusiasts who wish to adapt APR's industry-leading inlet technology to custom intake setups or the factory airbox. By replacing the restrictive factory plastic piece, this tube provides a smooth, oversized path for air to reach the turbocharger.
Engineering for the 2.5T's massive airflow demands, this tube provides significant flow gains that result in increased horsepower, torque, and sharper throttle response. While it enhances the engine's induction sound and aesthetics, its primary purpose is performance. This component is designed to bridge the gap between your choice of intake and the turbocharger, though it requires the APR Cast Inlet Pipe to complete the path to the turbo compressor housing.
Features:
- Massive 4" Diameter: Provides a significantly larger internal volume than the stock unit to satisfy high-horsepower airflow requirements.
- Premium Carbon Fiber: Lightweight, high-strength construction that resists heat soak and adds a high-end look to the engine bay.
- Performance Focused: Engineered to reduce pressure drop, leading to measurable gains in HP/TQ and improved turbo spool.
- Versatile Compatibility: Can be used with the factory intake system or the APR open-intake filter system.
- Enhanced Induction Sound: The smooth, rigid carbon fiber walls amplify the 5-cylinder engine's unique turbocharger sounds.
Product Contains:
- (1) 4" Carbon Fiber Rear Intake Tube
Important Installation Note: This is not a direct-fit standalone part. It is designed specifically for use with the APR Turbo Inlet Pipe (CI100038-C). If you are adapting this to a non-APR intake system, special couplers (not included) may be required. For 2019+ vehicles, ensure you have the appropriate DV adapters for your specific configuration.
Warranty: This product is supported by a Manufacturer's Warranty. Note: Manufacturer warranty terms are subject to change.
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