Torque Solution HD Cast Aluminum 3.3in FP Hard Turbo Inlet WRX / STI 2002-2021 | TS-SU-881-84 vendor_KEIN The billet aluminum base is

The billet aluminum base is anodized in your choice of red or black to help set the mood and is internally threaded to provide a tight fit onto the shifter shaft that won't come loose in the most frenzied of gear changes

Modified engine bay configurations

This would be the latter

Part #: PTP-FPRO35-009-07

the X-Pedal Pro Black Edition controls the throttle signals going into your stock ECU (Engine Control Unit) so that your vehicle instantly responds faster and accelerates swifter

Torque Solution HD Cast Aluminum 3.3in FP Hard Turbo Inlet WRX / STI 2002-2021 | TS-SU-881-84 vendor_KEIN The billet aluminum base isProduct Fitment: 2002 2007 Subaru WRX 2004 2021 Subaru STI Unlock improved airflow and durability with the Torque Solution Cast Aluminum HD Hard Turbo Inlet Pipe, engineered for Subaru EJ engines equipped with an STI or similar intake manifold. Designed to replace the restrictive OEM rubber hose, this upgraded inlet pipe offers a smooth, larger diameter path to your turbo for optimized performance across both daily driven and high powered builds.