The WRX interior has always been more functional than luxurious. That is part of the appeal, but it also leaves a lot of easy upgrade room. A better shift knob changes the part of the car you touch constantly. Floor mats protect the cabin from winter and daily use. Cup holder liners, lighting, trim, phone mounts, and small storage pieces can make the car feel less cheap without changing the character of the WRX.
This guide now covers both the 2015-2021 VA WRX/STI and the 2022+ VB WRX. Some interior parts overlap because Subaru uses common thread pitches and accessory patterns, but many pieces are generation-specific. Floor mats, console trim, paddle extensions, lighting kits, storage inserts, and OEM accessory parts should always be checked by year, trim, transmission, and body style.
Quick answer: for a manual WRX, start with a weighted shift knob and a shifter stop or bushing. For any daily-driven WRX, start with all-weather floor mats and cup holder liners. For a VB WRX, prioritize fitment-specific floor liners, shift feel upgrades, and simple OEM+ cabin parts before jumping into expensive steering wheels or electronics.
Sources checked for this update include current Subimods, Import Image Racing, JDMuscle, STM Tuned, Boomba Racing, Fitment Industries, WeatherTech, existing ThinkTuning WRX shift-knob and PERRIN shift-stop guides, and owner-review themes around mats, shift knobs, LED kits, adhesive trim, and shifter upgrades.
How We Chose These WRX Interior Mods
Interior mods should make the car better to drive or easier to live with. We weighted these picks toward parts that are easy to install, have clear fitment, solve a daily annoyance, or improve driver touch points. We did not treat universal RGB kits, bargain steering wheels, or airbag-adjacent electronics as safe default recommendations.
The strongest WRX interior categories are:
- Driver feel: shift knob, shifter stop, bushings, and short-shift parts.
- Cabin protection: floor liners, trunk mats, cup holder liners, and cargo protection.
- Daily convenience: storage trays, phone mounts, Accessport mounts, and lighting.
- Style: carbon trim, aluminum covers, paddle extensions, and stitched OEM accessories.
If a part touches an airbag, seat, steering wheel, pedal, wiring harness, or shifter assembly, verify install instructions before buying. The easiest interior mod is not always the best one; the best one is the one that still feels good after six months of commuting.
Best 2022+ VB WRX Interior Mods
The VB WRX already has the big vertical screen and a more modern cabin, so the best interior mods are less about fixing an old interior and more about improving touch points. The biggest gaps are shift feel, floor protection, storage, lighting, and making the cabin feel more intentional.
| VB interior mod | Best for | Install risk | Watch out for |
|---|---|---|---|
| Weighted shift knob | Manual shift feel | Low | Metal heat/cold, reverse lockout clearance |
| Floor liners | Daily protection | Low | Correct retention clips and trim fitment |
| Shifter stop/bushing | Manual precision | Medium | Manual-only, adjustment required |
| Phone mount | Navigation and daily use | Low | Manual shifter clearance |
| Armrest extension | Daily comfort | Low | Manual vs CVT/SPT fitment |
| LED/interior lighting | Cabin brightness | Low-medium | Flicker, bulb sizing, glare |
A shift knob is the first manual-transmission interior mod I would do on a VB WRX. Subimods’ 2022+ WRX first-mod guidance calls out weighted knobs as one of the easiest ways to make the factory shifter feel more deliberate, and the 300-500 gram range is a good target for most drivers.
Billetworkz is a strong pick because the knobs are high quality, WRX-friendly, and available in enough styles to match either an OEM+ or louder interior. The main tradeoff is material: metal knobs feel premium but get hot in summer and cold in winter. If that bothers you, use a hybrid or Delrin-style knob instead of bare metal.
Buy if: you want a five-minute mod that changes every drive.
Skip if: your WRX has a CVT; use a CVT-specific Subaru or aftermarket knob instead.
Floor liners are not flashy, but they are one of the smartest WRX interior upgrades. The WRX gets used in rain, snow, dirt, and daily traffic, and deep liners protect the carpet better than flat factory mats.
WeatherTech is the practical pick if protection matters more than style. The walls are deeper than many carpet-style mats, and they are easier to pull out and clean. Make sure you choose the correct 2022+ WRX listing and retention-clip setup.
Buy if: you daily drive the car, live somewhere wet, or want the easiest cabin protection.
Skip if: you prefer softer carpet feel and only drive in dry weather.
The VB manual shifter can feel rubbery and vague, and that is why shift stops, bushings, and short-shift parts keep showing up in current 2022+ WRX mod lists. PERRIN’s current shifter stop page covers 2015-2026 WRX applications, but you still need to choose the correct variant for your shifter setup.
This is more involved than a shift knob. You need to remove shifter trim, adjust the stop correctly, and test all gears before driving. When done right, it tightens the 1-2 side of the gate and makes the car feel more precise.
Buy if: you drive a manual WRX and want better shift accuracy.
Skip if: you have a CVT or are not comfortable adjusting the shifter gate.
A real phone mount is more useful than another stick-on trim piece. Course Motorsports makes a 2022+ WRX direct-fit mount that uses factory hardware and offers MagSafe/Qi2-style head options depending on setup.
The key issue on manual VB cars is shifter clearance. Some low-center phone mounts can interfere with larger phones when shifting into 3rd or 5th, so use a mount that keeps the device high and out of the shift path.
Buy if: you use your phone for navigation and want a cleaner mount than a vent clip.
Skip if: you prefer the phone fully out of sight while driving.
The OEM armrest extension is a small comfort upgrade that makes more sense after a few long drives. The Ultrasuede version fits the VB’s red-stitching/OEM+ interior theme and is a better recommendation than random stick-on trim.
Fitment matters. The researched JDMuscle/Subaru OEM listing is for 2022-2026 WRX manual-transmission cars; SubaruOnlineParts notes separate fitment limitations for standard armrest extensions and CVT/SPT/GT trims.
Buy if: you want a factory-looking comfort upgrade for a manual VB WRX.
Skip if: you have a CVT/SPT/GT without verifying the correct part number first.
LED interior bulbs are the simple lighting upgrade; RGB floor liners are the statement upgrade. Diode Dynamics is the safer default because it sells vehicle-specific Subaru WRX LED lighting upgrades instead of a universal kit.
Verify bulb sizes before ordering. Some VB owners report needing to check festoon length, and cheap LED bulbs can flicker, ghost, or look too blue. Neutral white is the better OEM+ look.
Buy if: you want a cleaner, brighter cabin without building a custom lighting setup.
Skip if: you want color-changing ambient lighting more than functional light.
Best 2015-2021 VA WRX and STI Interior Mods
The VA WRX interior is the one most people are trying to improve. It has good basics, but the cabin can feel cheap in the small areas you touch every day: cup holders, shifter, trim, lighting, and mats.
| VA interior mod | Best for | Install risk | Watch out for |
|---|---|---|---|
| Cup holder liners | Budget cleanup | Low | Manual vs CVT tray shapes |
| Shift knob | Manual driver feel | Low | Thread pitch, reverse lockout, hot/cold material |
| Shifter stop | Manual precision | Medium | Adjustment and OEM short-shifter versions |
| Fuse box tray | Storage | Low | Panel fitment and color |
| Floor mats | Protection | Low | Retention clips and coverage |
| LEDs | Cabin brightness | Low-medium | Flicker, harsh color temperature, polarity |
Cup holder liners are still one of the best cheap VA interior mods. They add color, reduce rattles, make the cup holders easier to clean, and cover some of the plain plastic that makes the VA cabin feel budget.
The useful kits include liners for more than the cup holders: door pockets, console pockets, the small tray under the climate controls, and the area near the cup holders. Check manual versus CVT fitment if the kit uses different center-console pieces.
Buy if: you want the cheapest interior mod that you will actually notice.
Skip if: you dislike colored accent piping or want only OEM Subaru parts.
The shift knob is the easiest manual WRX interior upgrade and one of the most personal. PERRIN’s current heavyweight knob listing covers 2015-2026 WRX applications and includes reverse-lockout/boot-adapter considerations, which makes it a cleaner fitment pick than a vague universal knob.
Material matters. Aluminum looks and feels premium, but it can get very hot or cold depending on climate. If that is a dealbreaker, use a Delrin, leather, or hybrid knob instead. For a full comparison, use the WRX shift knobs guide.
Buy if: you want a quick manual-transmission upgrade that changes the car every time you shift.
Skip if: you park outside in extreme heat and do not want a metal knob.
The PERRIN shifter stop is one of the highest-value VA WRX drivability mods. It tightens the 1-2 side of the shifter gate so you do not push the lever too far left when shifting. It is cheap, hidden, and far more noticeable than many appearance-only cabin pieces.
The key is adjustment. Follow the install process carefully, test all gears with the clutch in, and recheck the fasteners after driving. Some versions differ for regular shifter versus OEM short shifter, so verify your setup.
Buy if: you have a manual VA WRX and want a more accurate shifter.
Skip if: you have a CVT or do not want to remove the shifter trim.
The fuse box coin tray is the kind of small part that feels like Subaru should have included. It replaces the plain fuse-box cover with a small storage pocket for coins, cards, gum, or other small items.
Fitment is the only real concern. Make sure the shape matches your generation and interior color. The install is usually just removing the old cover and snapping the tray into place.
Buy if: you want useful storage from a dead space.
Skip if: you keep the cabin completely empty or dislike visible small-item storage.
3D MAXpider mats are the floor-protection pick when you want something cleaner-looking than heavy rubber liners. The carbon-style texture suits the VA interior, and the layered construction helps with protection and grip.
Compared with WeatherTech, the MAXpider mats look more premium but usually have less wall height. If you deal with heavy snow, slush, or mud, deeper liners may protect better. If you want protection that still looks integrated, these are the better daily choice.
Buy if: you want all-weather floor protection without the industrial rubber-mat look.
Skip if: your WRX regularly sees deep snow, mud, or work-site dirt.
Best VA Lighting:
Diode Dynamics Interior LED Conversion Kit for 2015-2021 WRX/STI
Check Latest PriceThe stock VA interior bulbs look yellow and dated. LED bulbs are a cheap way to make the cabin look newer and make dropped items easier to find at night.
Avoid overly blue, harsh, or no-name LEDs if you care about a clean look. Some bulbs are polarity-sensitive, and cheap kits can flicker. A neutral white output usually looks more OEM+ than bright blue-white.
Buy if: the factory yellow cabin light bothers you.
Skip if: you dislike bright cabin lighting at night.
Best VA Accessport Mount:
COBB Accessport V3 A-Pillar Mount for 2015-2021 WRX/STI
Check Latest PriceIf your WRX is tuned, a real Accessport mount is cleaner than letting the cable and device slide around the console. COBB’s A-pillar mount is a VA-specific option for 2015-2021 WRX/STI and keeps the device visible without taking over the center vents.
Sticky mounts and vent docks can also work, but owner sentiment favors stable dedicated mounts over loose cables. Surface prep matters for adhesive mounts, and vent mounts can block airflow.
Buy if: you already use an Accessport and want it mounted cleanly.
Skip if: your WRX is stock and you do not monitor through an Accessport.
The OEM armrest extension is one of the better comfort mods for a VA daily driver. It raises the center armrest into a more natural position and looks factory because it is a factory accessory.
Do not carry this fitment over to a VB. The researched Subimods Q&A specifically notes the VA armrest extension does not fit a 2022 WRX, so treat VA and VB armrests as separate products.
Buy if: your elbow never lands comfortably on the stock VA armrest.
Skip if: you prefer the lower stock console height or have not verified trim color and year fitment.
Paddle extensions are one of the few interior mods that make sense specifically for a CVT WRX. They make the paddles easier to reach and add a sportier look behind the wheel.
Use restraint here. The best paddle extensions are secure, not too long, and do not interfere with normal steering. Cheap adhesive-only extensions can loosen in heat if prep is poor.
Buy if: you have a CVT WRX and use the paddles often.
Skip if: you have a manual WRX or dislike parts mounted near the steering wheel.
Carbon gear-shift trim is a simple way to make the center console look less plain. It works best if the cabin already has carbon or gloss-black accents, and it pairs naturally with a carbon e-brake handle or console hood.
The usual warning is adhesive and authenticity. Real dry carbon costs more but looks better. Carbon-look plastic is cheaper but can fade, lift, or look mismatched.
Buy if: you want the center console to feel more finished.
Skip if: you are not planning any other carbon or black trim.
WRX Interior Mod Fitment Guide
| Interior area | Fitment notes |
|---|---|
| Shift knobs | Manual Subaru shift knobs commonly use M12x1.25 thread pitch, but reverse lockout clearance, height, and CVT fitment still matter. |
| Floor mats | Buy by exact generation and year. VA and VB floor pans and retention points are different. |
| Shifter stops/bushings | Manual-only. Some parts differ for OEM short shifter versus standard shifter. |
| Paddle extensions | CVT-only and steering-wheel-specific. Do not buy manual-transmission parts. |
| Trim overlays | VA and VB console, screen, vent, and door trim shapes differ. |
| Lighting kits | Bulb size, polarity, harnesses, and footwell wiring vary by generation and trim. |
| Seat covers | Verify airbag compatibility and do not block side airbags. |
| Steering wheels | Airbag and controls make this a professional-level safety item, not a casual first mod. |
For one broad WRX interior article, VA/VB routing is better than separate articles because most shoppers search by “WRX interior mods” first. The page just needs to make fitment obvious before the product list.
Best WRX Interior Mods by Use Case
| Use case | Best first buys | Wait on |
|---|---|---|
| Daily driver | Floor mats, cup holder liners, armrest extension | Steering wheels, seat swaps, complex electronics |
| Manual shift feel | Shift knob, shifter stop, shifter bushing | Full short-shifter package if you dislike extra notchiness |
| CVT/SPT WRX | Floor mats, paddle extensions, CVT-specific knob | Manual shifter stops, bushings, and short shifters |
| Winter car | Deep floor liners, trunk mat, neutral LED bulbs | Bare metal shift knobs and hard-to-clean suede |
| OEM+ cabin | Subaru armrest, illuminated sills, restrained trim | Universal RGB kits and mismatched carbon-look pieces |
| Tuned/monitoring | Accessport mount, phone mount | Loose cables and low mounts that block shifting |
Manual vs CVT Interior Mods
Manual WRX owners get the biggest benefit from shift-feel mods. A knob, stop, bushing, and short-shift plate can make the car feel more precise, but each step adds more mechanical feel. If you are comfort-sensitive, start with the knob and shifter stop before adding stiffer bushings or mounts.
CVT and SPT owners should ignore manual shifter hardware. The best CVT-specific interior mods are paddle extensions, CVT-specific knobs, floor liners, lighting, storage, and phone mounts. Do not assume a manual-console accessory fits the CVT console.
What To Buy First
If the WRX is a manual, start with the parts you touch while driving: shift knob, shifter stop, and shifter bushing. If it is a daily driver, start with floor mats, cup holder liners, and storage. If it is a show-focused cabin, plan the trim theme before buying random carbon pieces.
The most sensible order:
- Floor mats or liners.
- Cup holder liners or storage tray.
- Shift knob for manual cars.
- Shifter stop or bushing for manual WRX.
- LED interior bulbs.
- Trim pieces only after deciding on carbon, black, red, or OEM+ styling.
- Electronics, displays, seats, or steering wheels only after reading install and safety requirements.
Interior mods also pair well with exterior and drivability updates. See the WRX exterior mods guide for styling, the PERRIN shift stop review for manual shifter detail, and the WRX mods hub for the full build path.
Interior Mods I Would Skip for Most WRX Daily Drivers
I would skip bargain steering wheels, airbag-adjacent electronics, and unknown seat covers unless you know exactly how they affect safety systems. A steering wheel can look great and still create real airbag, horn, and control problems.
I would also be careful with universal RGB kits, adhesive carbon-look trim in high-touch areas, and metal shift knobs in very hot or cold climates. None of those are automatically bad, but they are the categories most likely to become annoying after the novelty wears off.
For manual cars, avoid stacking every stiff shifter and drivetrain part at once if you are sensitive to noise and vibration. A shift stop and knob are mild. More aggressive bushings, mounts, and short-shift parts can add NVH or notchiness.
Frequently Asked Questions
What is the best first interior mod for a WRX?
For a manual WRX, the best first interior mod is a weighted shift knob. For any daily WRX, all-weather floor mats are the most practical first upgrade.
Do VA WRX interior parts fit a VB WRX?
Usually not if the part is shaped to the floor, console, dash, doors, or trim. Shift knobs may overlap on manual cars, but always verify reverse lockout and generation fitment.
What shift knob thread pitch does a WRX use?
Manual Subaru WRX shift knobs commonly use M12x1.25 thread pitch. You still need to check reverse lockout clearance, height, and whether the knob is intended for manual or CVT.
Are weighted shift knobs bad for a WRX?
A normal weighted shift knob is not a problem for most drivers. The bigger issue is preference: heavier knobs can smooth shifts, but some people prefer a lighter, more mechanical feel.
Are metal shift knobs too hot or cold?
They can be. Aluminum and stainless knobs feel premium but absorb temperature quickly. If your car sits outside, consider Delrin, leather, or hybrid materials.
Are WRX LED interior kits worth it?
Yes, if you dislike the dim yellow factory lighting. Choose neutral white bulbs from a reputable brand and avoid harsh blue-white kits if you want an OEM+ look.
Are seat covers safe in a WRX?
Only if they are designed to work with seat-mounted airbags. Do not use generic covers that block side airbags or interfere with seat controls.
Should I upgrade the WRX steering wheel?
Not as a first mod. Steering wheels involve airbags, controls, wiring, and safety systems. Use a reputable product and professional installation if you go that route.
What interior mods should CVT WRX owners consider?
CVT owners should look at floor mats, cup holder liners, paddle shifter extensions, lighting, storage, and CVT-specific shift knobs. Manual shifter stops and bushings do not apply.
Final Thoughts
The best WRX interior mods are the ones you feel every time you drive. A shift knob, floor liners, cup holder liners, storage tray, and better lighting make more difference than random trim pieces. Start with fitment and daily use, then add style once the cabin has a clear theme.