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APR Turbocharger Inlet System for Audi RS3/TT RS (MQB MK3) 2.5 TFSI EA855 EVO

  • APR Turbocharger Inlet System for Audi RS3/TT RS (MQB MK3) (CI100038)
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  • CI100038-A
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SKU:
CI100038
Weight:
15.00 LBS
Availability:
APR products from etektuning.com can only be sold and shipped within the United States.
Shipping:
Calculated at checkout
Quantity:

AUDI PERFORMANCE PARTS: APR Turbocharger Inlet System for Audi RS3/TT RS (MQB MK3) 2.5 TFSI EA855 EVO (Gen 2) (CI100038)

Product Features:

The APR Turbocharger Inlet System outflows the factory components by up to 45%. This is achieved through elimination of the most critical restriction in the entire intake system, the turbocharger inlet pipe. Because of this restriction, no intake airbox / filter design can physically match the gains achieved by upgrading to the APR Turbo Inlet System alone. This is the first step one should take when upgrading their intake system and paves the way for even more gains.

The APR Turbocharger Inlet System uses a massive 4” carbon fiber inlet tube that attaches to the factory airbox, or upcoming APR Intake System. Attached to the carbon fiber tube is a massive 4” cast aluminum inlet which is organically shaped to retain the largest possible cross sectional area within the pipe all the way to the inlet of the turbocharger’s compressor cover. Despite the visually odd shape, keeping the cross-sectional area as large as possible is the key to the pipe's performance gains, and greatly outflows smooth looking continuously tapering designs.

Interlocking adapter rings form a port-matched ideal entrance to the turbocharger, while larger rings (sold separately) provide port-matched support for even larger hybrid turbocharger upgrades. A thick stainless steel heat shield protects the pipe from the hot turbocharger manifold, and an external stainless PCV pipe provides proper PCV placement without impacting the inlet’s design.

The Restriction

Turbo Inlet Pipe Turbo Inlet Pipe Turbo Inlet Pipe Turbo Inlet Pipe Turbo Inlet Pipe Turbo Inlet Pipe Turbo Inlet Pipe
The factory cast inlet pipe is small. It has a maximum internal diameter of 2.8”, at the widest point, and is internally restricted as illustrated in the photos. This pipe is only capable of achieving a maximum of 490 CFM at 28” of H2O when tested alone. Attaching any intake system to this pipe will only result in a lower flow rate, and when using the factory back pipe, airbox, filter and inlet scoop, airflow drops below 430 CFM.

The APR Solution

APR's cast inlet pipe is huge and on its own it achieves a staggering 710 CFM with the stock turbocharger adaptor! This is a 45% improvement over the factory part. When paired with APR’s upcoming intake system, airflow only drops to 690 CFM, a 60% improvement over the entire stock intake system! When attached to the factory airbox, filter and frontal scoop, airflow drops to 575 CFM, which is 34% better than the stock system and 17% better than the stock inlet by itself with an ideal entrance. This further clarifies the point that no intake can outperform the APR turbo inlet if the factory turbo inlet is left intact.

APR’s engineers tested a multitude of other turbocharger inlet designs in pursuit of more flow and power. It was quickly determined the part could not act as an upgrade on its own because of the significant increase in diameter required. The rear inlet pipe also had to be upgraded to utilize this larger diameter. Other designs, which may look smoother, and offer a continuously reducing taper, are extremely limited. At 3.5”, 550 CFM is achievable. At 4” 560 is achievable. In contrast, our system achieves 710 CFM under the same test. Given how restrictive these other designs are, upgrading to our system, while still using the factory airbox, filter and frontal scoop, will outflow any intake system!

Adding the optional APR Intake Filter (CI100038-A) completely transforms the system from subtle to extreme. The massive 9” long cotton filter with frontal opening connects to a 6” carbon fiber inlet tube that gradually necks down to the 4” back tube. You will hear every ounce of the 5-cylinder turbocharger system’s massive demand for airflow, and you’ll do so at a 60% CFM improvement over stock! This was only possible with an open filter system as the airflow demands called for an unboxed design. Simply put, this is the best intake system on the market for satisfying uncompromisingly demanding airflow requirements. Note: Does not currently fit the 2019 North American Models without modification to the DV recirc pipe. New adapter in development.

Fitment:

  • Audi RS3 (Typ 8V - MQB MK3) 2.5 TFSI EA855 EVO (Gen 2) Left Hand Drive Only
  • Audi TT RS (Typ 8S - MQB MK3) 2.5 TFSI EA855 EVO (Gen 2) Left Hand Drive Only

The kit includes the stock turbo adapter ring. Other adapter rings are sold separately.

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