Torque Solution 06-21 Subaru STI EJ Big Bore Manifold Big Bore 76mm Throttle Body Adapter - Black | TS-SU-870P-BK Ralliart_2009-2017 providing quiet operation with less

providing quiet operation with less chatter

but it is available separately

pressure plate cover

Subaru part number: 15255AA100

Allows for an easy press installation of the EJ251/253 SOHC

Torque Solution 06-21 Subaru STI EJ Big Bore Manifold Big Bore 76mm Throttle Body Adapter - Black | TS-SU-870P-BK Ralliart_2009-2017 providing quiet operation with lessProduct Fitment: Subaru STI 2004 2005 (Requires 2006+ riveted throttle body) Subaru STI 2006 2021 Subaru WRX 2006 2007 Subaru WRX 2008 2014 (must swap to a confirmed fit intake manifold) Subaru Forester XT 2004 2008 Torque Solution Big Bore 76mm Throttle Body Adapter for Subaru EJ engines using a big bore intake manifold. Our adapter allows you to swap to a Toyota 76mm big bore throttle body which provides a 25% increase in size over OEM. Made from