I have a 2015 Subaru WRX limited with a base stereo system. I am looking to buy upgrade speakers. As we all know Subaru offers two Kicker . Subaru set out to find a piece of hardware that would give you a deep rich bass in your 2015 WRX / STI. This unit also assists in clean sound reproduction from . Buy Subaru Genuine H631SFJ001 Kicker Speaker Upgrade, 1 Pack: Car Electronics - Amazon.com ✓ FREE DELIVERY possible on eligible purchases. Buy 2012-2017 OEM Upgreade Speaker Kit by Kicker Subaru Wrx STi Crosstrek . Impreza 2015-2017 Wrx Sti 2013-2016 Crosstrek 2012 2013 2014 2015 2016 Subaru Subaru Genuine H631SFJ001 Kicker Speaker Upgrade, 1 Pack. Upgrade the sound system in the Subaru WRX/STI with the Upgraded Speakers for those who want increase both the sound and clarity. Learn how to install the Kicker Tweeters on the 2015+ WRX. This is part 3 of my WRX Sound System Upgrade. I do a quick unboxing, go over the installation of . Subaru of America, Inc. announced today that it will partner with KICKER Performance . The audio upgrade kits are now available through Subaru dealerships.