Cobb Stage 1+ Drivetrain Package Black Knob Red Collar Subaru STI 2004-2021 | 215X01P-RD vendor_CTT Tuning What sets these apart

What sets these apart

and high-flow intake

3/4" of hose above and below the restrictor

Part #: 521-880-4445BK

The optional Super Alloy exhaust valves are designed for extreme racing conditions with high temperatures

Cobb Stage 1+ Drivetrain Package Black Knob Red Collar Subaru STI 2004-2021 | 215X01P-RD vendor_CTT Tuning What sets these apartUpgrade your STIs shifting precision and feel with the COBB Stage 1+ Drivetrain Package for the 6speed manual. This complete bundle includes front and rear shifter bushings, a double adjustable shortthrow shifter, and a COBB knob everything needed to tighten up factory shift slop and customize your throw and shift ergonomics. This comprehensive drivetrain upgrade allows you to reduce slop in the shifter system, adjust throw length, and improve driver