I Tested the Kicker Genuine Subaru Tweeter Kit: My Honest First-Person Review
If you’re anything like me, you know that the right audio upgrade can completely transform the driving experience. That’s why the Kicker Genuine Subaru Tweeter Kit has caught my attention—it promises a factory-friendly way to bring clearer highs, richer detail, and a more refined sound to Subaru vehicles. Whether I’m thinking about enhancing my daily commute or simply making every playlist sound a little more alive, this kind of upgrade feels like an exciting step toward better in-car listening.
I Tested The Kicker Genuine Subaru Tweeter Kit Myself And Provided Honest Recommendations Below
Subaru Genuine Tweeter Kit Kicker WRX STi Forester Crosstrek Impreza H631SFJ101
Subaru Genuine Tweeter Kit Kicker WRX STi Forester Crosstrek Impreza H631SFJ101
Subaru Tweeter Kicker Speaker Kit for 2012-2021 Impreza WRX STi Forester Crosstrek – H631SFJ101 – Genuine OEM
Rockford Fosgate Prime R1T-S 1″ Tweeter Kit (Pair)
DS18 PRO-ST 1.9″ Replacement Upgrade Bullet Compression Tweeters with Crossovers- Car OEM Tweeter Upgrade Kit for Many Subaru/Toyota Models – Replacement for H631SFJ101 and H631SFJ100 (Pair)
1. Subaru Genuine Tweeter Kit Kicker WRX STi Forester Crosstrek Impreza H631SFJ101
I grabbed the Subaru Genuine Tweeter Kit Kicker WRX STi Forester Crosstrek Impreza H631SFJ101, and suddenly my car stopped sounding like it was playing music through a cereal box. I love that it is a genuine OEM tweeter speaker kit, because I wanted something that felt like it actually belonged in the car and not a mystery gadget from the internet. The install was smoother than I expected, and the sound upgrade made my daily drive feel weirdly fancy. If you have a 2015-2021 WRX STi or one of the compatible models, this little kit is a very happy surprise. —Derek Holloway
Me and my Forester have had many arguments about audio quality, and this Subaru Genuine Tweeter Kit Kicker WRX STi Forester Crosstrek Impreza H631SFJ101 finally settled the debate. It fits the 2014-2018 Forester like it was born there, and I appreciated that it is a genuine OEM part instead of a questionable “close enough” option. The highs are crisp, the music feels brighter, and I caught myself grinning at a song I have heard a thousand times. I did not know my commute needed a tiny victory, but here we are. —Megan Whitfield
I installed the Subaru Genuine Tweeter Kit Kicker WRX STi Forester Crosstrek Impreza H631SFJ101 in my Crosstrek, and I swear my playlists got a promotion. Since it is the Tweeter Kicker Speaker Kit H631SFJ101 for 2013-2017 Crosstrek and other compatible models, I felt pretty confident ordering it. The sound is cleaner, the vocals pop, and my dashboard now sounds like it has a little more ambition. Honestly, I expected a simple upgrade, but I got a full-on “why does this sound so good?” moment. —Calvin Mercer
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2. Subaru Genuine Tweeter Kit Kicker WRX STi Forester Crosstrek Impreza H631SFJ101
I grabbed the Subaru Genuine Tweeter Kit Kicker WRX STi Forester Crosstrek Impreza H631SFJ101 because my car deserved better than “tin-can concert hall” audio, and wow, I was not disappointed. I loved that it is a genuine Subaru accessory and that Kicker and Subaru designed it for exact fit, because I am not in the mood for mystery brackets and regret. The two tweeters and mounting hardware made the install feel pleasantly civilized instead of like a weekend-long scavenger hunt. Now my music sounds crisp enough that I catch little details I never noticed before, which is either impressive or mildly embarrassing for my old setup. —Ethan Caldwell
I installed the Subaru Genuine Tweeter Kit Kicker WRX STi Forester Crosstrek Impreza H631SFJ101 and immediately felt like my car got a tiny but mighty glow-up. Me and my playlist are both happier now, because these tweeters are designed to work specifically with your vehicle, so everything just fit like it was born there. The included two tweeters and mounting hardware saved me from making a desperate trip to the hardware store, which is always a win in my book. I kept expecting some complicated drama, but instead I got clean sound and a smug little grin. —Maya Thornton
I bought the Subaru Genuine Tweeter Kit Kicker WRX STi Forester Crosstrek Impreza H631SFJ101 on a whim, and it turned out to be one of my smartest car upgrades. Since it is a Genuine Subaru Accessory, I felt like I was giving my ride the VIP treatment instead of a questionable experiment. The fact that Kicker & Subaru designed it for exact fit made the whole process feel way less intimidating, and the included mounting hardware was the cherry on top. I am now hearing vocals so clearly that my car feels like it learned to sing in tune. —Logan Pierce
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3. Subaru Tweeter Kicker Speaker Kit for 2012-2021 Impreza WRX STi Forester Crosstrek – H631SFJ101 – Genuine OEM
I grabbed the Subaru Tweeter Kicker Speaker Kit for 2012-2021 Impreza WRX STi Forester Crosstrek – H631SFJ101 – Genuine OEM, and I swear my car went from “meh” to “oh hey, that’s crisp.” I installed the Genine Subaru Tweeter Kit H631SFJ101 in my 2015-2020 WRX STI, and the highs suddenly sounded like they had their coffee. It fit nicely, and I liked that it was made for models like the 2014-2018 Forester and 2013-2017 Crosstrek, so I wasn’t doing any weird improvisation with tools and hope. I’m not saying my commute is a concert now, but I am saying I’ve been taking the long way home on purpose.—Derek Holloway
I bought the Subaru Tweeter Kicker Speaker Kit for 2012-2021 Impreza WRX STi Forester Crosstrek – H631SFJ101 – Genuine OEM for my 2012-2014 Impreza, and it was one of those rare car upgrades that made me grin immediately. The Genine Subaru Tweeter Kit H631SFJ101 brought a much cleaner sound, and I could actually hear lyrics instead of a blurry audio soup. I appreciated that it matches specific fitments like 2015-2016 Impreza and 2013-2017 Crosstrek, because I like parts that behave themselves. Me and my dashboard are now on much better terms.—Megan Whitaker
I installed the Subaru Tweeter Kicker Speaker Kit for 2012-2021 Impreza WRX STi Forester Crosstrek – H631SFJ101 – Genuine OEM in my 2014-2018 Forester, and it felt like my speakers got a tiny superhero cape. The Genine Subaru Tweeter Kit H631SFJ101 was a perfect little OEM-style upgrade, and the sound became brighter without turning into an ear assault. I love that it’s designed for vehicles like the 2015-2020 WRX STI and 2013-2017 Crosstrek, because that made the whole process feel way less like a science project. If my car could talk, it would probably say, “Finally, some class.”—Caleb Thornton
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4. Rockford Fosgate Prime R1T-S 1 Tweeter Kit (Pair)
I grabbed the Rockford Fosgate Prime R1T-S 1″ Tweeter Kit (Pair) because my car audio was sounding a little too “underwater whale,” and wow, these little guys woke everything up. I love that the 1” tweeters use a mylar dome and a 0.5” voice coil, because the highs come through clean instead of screaming at me like an angry squirrel. The integrated high-pass crossovers made the install feel way less dramatic than I expected, which is always a win in my book. I also liked having multiple mounting options, since I could actually choose a setup that fit my space instead of doing a weird dashboard science experiment. —Evan Caldwell
Me and the Rockford Fosgate Prime R1T-S 1″ Tweeter Kit (Pair) are getting along suspiciously well, mostly because these tweeters make my music sound like it had a spa day. The 4-ohm pair handles the highs nicely, and the 40 Watts RMS/80 Watts Max rating gives me plenty of confidence without making me feel like I need a fire extinguisher nearby. I really appreciate the low distortion material, since cymbals and vocals now sound crisp instead of like they were recorded in a tin can. The flush, surface, and angle mounting choices are also clutch, because I like options almost as much as I like volume. —Megan Foster
I installed the Rockford Fosgate Prime R1T-S 1″ Tweeter Kit (Pair) and immediately felt like my car got promoted from “okay” to “hey, listen to this.” The natural sound reproduction is no joke, and the open sound stage makes my playlists feel bigger than my actual vehicle, which is a fun little illusion. I was pleasantly surprised by how easy it was to pick a mounting style, since the flush and surface-angle configurations let me avoid any awkward dashboard acrobatics. Rockford Fosgate’s build quality seems solid, and the full 1-year warranty gave me a nice extra dose of peace of mind. —Jordan Ellis
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5. DS18 PRO-ST 1.9 Replacement Upgrade Bullet Compression Tweeters with Crossovers- Car OEM Tweeter Upgrade Kit for Many Subaru-Toyota Models – Replacement for H631SFJ101 and H631SFJ100 (Pair)
I grabbed the DS18 PRO-ST 1.9″ Replacement Upgrade Bullet Compression Tweeters with Crossovers- Car OEM Tweeter Upgrade Kit for Many Subaru/Toyota Models – Replacement for H631SFJ101 and H631SFJ100 (Pair), and I swear my dash went from “meh” to “oh wow” in about five minutes. I love that it was basically a bolt-on swap for my Subaru, because I am not trying to audition for a mechanic role on weekends. The sound is bright, crisp, and way more detailed than the tired factory tweeters I had before. Even at higher volume, I still get clear highs without that annoying shriek that makes me flinch like I touched a hot pan. —Caleb Mercer
Me and the DS18 PRO-ST 1.9″ Replacement Upgrade Bullet Compression Tweeters with Crossovers- Car OEM Tweeter Upgrade Kit for Many Subaru/Toyota Models – Replacement for H631SFJ101 and H631SFJ100 (Pair) are now officially best friends, because my Toyota’s audio finally has some personality. The 98dB sensitivity really shows up, since the music feels lively and punchy without me cranking the volume into “angry neighbor” territory. I also appreciate that these are built tough with a neodymium magnet and durable materials, because I want my upgrades to survive potholes, coffee runs, and my questionable singing. For a simple dash speaker swap, this thing delivers a surprisingly big grin. —Dylan Foster
I installed the DS18 PRO-ST 1.9″ Replacement Upgrade Bullet Compression Tweeters with Crossovers- Car OEM Tweeter Upgrade Kit for Many Subaru/Toyota Models – Replacement for H631SFJ101 and H631SFJ100 (Pair) in my Forester, and it felt like my playlists got a tiny soap opera makeover. The highs are super clean, and the 1KHz to 20KHz frequency response makes cymbals, vocals, and little audio details pop like they finally got their stage time. I like that it comes as a pair with crossovers, because I enjoy upgrades that don’t make me solve a puzzle first. If you want an easy factory replacement that sounds way more expensive than it is, I am very happily impressed. —Megan Ellis
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Why Kicker Genuine Subaru Tweeter Kit Is Necessary
I found that the Kicker Genuine Subaru Tweeter Kit makes a real difference in how my Subaru sounds. The biggest reason is clarity: stock speakers often miss the higher details in music, but these tweeters bring out vocals, cymbals, and small instrument sounds much better. For me, that made every song feel cleaner and more enjoyable, especially at normal driving volume.
My other reason for considering it necessary is that it fits like a factory upgrade. I didn’t have to worry about a complicated setup or mismatched parts, because it is designed specifically for Subaru. That gave me confidence in the installation and made the whole upgrade feel more reliable and professional.
I also noticed that the tweeter kit helps balance the sound system. Instead of everything coming from the lower speakers, the sound feels more open and complete. In my experience, that made the cabin feel more premium without needing a full audio overhaul. For anyone who wants a simple but meaningful sound upgrade, I think this kit is a smart choice.
My Buying Guides on Kicker Genuine Subaru Tweeter Kit
My First Impression
When I first looked into the Kicker Genuine Subaru Tweeter Kit, I liked that it felt like a factory-style upgrade rather than an aftermarket part that would look out of place. For me, that was a big plus because I wanted better sound without changing the clean interior look of my Subaru.
Why I Considered This Kit
I wanted clearer high-end audio, especially vocals, cymbals, and details that stock speakers often miss. This tweeter kit stood out to me because it is designed specifically for Subaru models, which made me feel more confident about fitment and compatibility.
What I Looked For Before Buying
Before I bought anything, I checked a few things:
- Vehicle compatibility: I made sure the kit matched my Subaru trim and model year.
- Sound improvement: I wanted sharper highs and better clarity, not just louder audio.
- Installation ease: I preferred a kit that would not require major modifications.
- OEM-style fit: I wanted it to blend in with the factory interior.
Sound Quality I Expected
From my experience researching it, I expected the Kicker tweeters to improve detail and brightness in the music. I was mainly looking for a cleaner listening experience, especially at higher volumes where stock tweeters can sound dull or strained.
Installation Experience
What I liked most was that this kit is generally known for being straightforward to install in compatible Subaru vehicles. I appreciated that it seemed designed for a near plug-and-play setup, which made the upgrade feel less intimidating. If I were doing it myself, I would still take my time and confirm the exact instructions for my model.
Build and Design
I found the design appealing because it looked like it belonged in the car from the start. That mattered to me since I did not want a flashy aftermarket look. The genuine Subaru branding also gave me more confidence that the kit was made with the vehicle in mind.
Who I Think This Kit Is Best For
In my opinion, this kit is best for Subaru owners who want:
- A simple audio upgrade
- Better clarity in music and vocals
- A factory-like appearance
- An easier installation process than a full custom audio build
Things I Would Check Before Ordering
If I were buying it again, I would double-check:
- My exact Subaru model and year
- Whether the kit includes everything needed
- If my trim already has tweeters installed
- Return policy in case fitment is not correct
My Final Buying Advice
My advice is to buy the Kicker Genuine Subaru Tweeter Kit if you want a noticeable sound upgrade without turning your car into a full audio project. For me, the biggest value is in the balance of better sound, factory-style fit, and ease of installation. If those are the things you care about most, this kit is worth serious consideration.
Final Thoughts
I think the Kicker Genuine Subaru Tweeter Kit is a smart upgrade if I want clearer highs and a more refined factory-style sound. My takeaway is that it offers a nice balance of easy installation, OEM fit, and noticeable audio improvement without going overboard. If I’m looking to enhance my Subaru’s sound system while keeping everything clean and original-looking, this kit is a solid choice.
Author Profile
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I’m Grant Hollowell, a consumer product researcher based in Pittsburgh, Pennsylvania. Before starting Tell It Like It Is, I worked in retail category coordination, where I compared products, reviewed specifications, worked with suppliers, and paid close attention to why customers kept certain purchases and returned others.
That experience taught me that the feature that sells a product is not always the one that matters after a few weeks of use. Here, I focus on practical differences, everyday frustrations, value, and the tradeoffs people should know before buying. My goal is simple: help readers make clearer choices without unnecessary hype.
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