Grimmspeed Stage 1 Power Package Subaru STI 2015-2021 - Black | 191013 vendor_Mishimoto More consistent throttle response

More consistent throttle response

Produces more accurate launches for drag racing and autocross

Please note: Flanges and clamps are available to purchase separately

Integrated air/air charge cooler configuration features all aluminum tube ducting and an oversized cooler core to provide maximum cooling with minimum pressure loss

Grimmspeed Stage 1 Power Package Subaru STI 2015-2021 - Black | 191013 vendor_Mishimoto More consistent throttle responseFitment Information: 2015 2021 Subaru STI Features: The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and tested to work well together, as a complete system. Instead of piecing together parts from many different manufacturers and hoping that they're design theories are compatible, consider starting with one of our excellent Staged Power Packages based on your goals! The GrimmSpeed Stage 1 Power