WRX DB
BuildsPlannerModsCommunity

WRX DB © 2026

ContactEditorial PolicyCorrectionsPrivacy PolicyUser Agreement

This website provides informational content only. Automotive modifications may affect vehicle safety, reliability, emissions compliance, and warranty status. Always consult a qualified professional before modifying your vehicle.

WRX Base is an independent community resource and is not affiliated with, endorsed by, or sponsored by Subaru.

Parts Catalog

Modifications Database

Browse the community's master list of WRX VB modifications with compatibility information, verified owner notes, and real-world build usage. Add mods to your planner to auto-enable tracked price-drop alerts.

Category filters(12 options)
AllIntakeExhaustSuspensionWheelsTiresExteriorInteriorDrivetrainTuningEngineBrakes

Showing 169 modifications

Aeroflow Dynamics Duckbill Spoiler
ExteriorVB
Price alert available

Duckbill Spoiler

Aeroflow Dynamics

Tracked Current Price

$199.99

via Aeroflow Dynamics

checked May 23

Typical range

$150 - $225

A classic trunk spoiler option for the VB that adds a cleaner, sportier rear-end shape without moving into full-wing territory. This is one of the easiest ways to sharpen the car’s rear profile and is especially appealing for owners who want a more finished...

Used in 0 builds

View details →
Showper page

Page 2 of 8 · 24 per page

PreviousNext
Aeroflow Dynamics F1 Titanium Dual Exit Catback Exhaust
ExhaustVB
Price alert availableOn sale · 93% off

F1 Titanium Dual Exit Catback Exhaust

Aeroflow Dynamics

Tracked Current Price

$120.00

via Aeroflow Dynamics

checked May 23

Typical range

$1,440 - $2,160

The F1 titanium dual-exit system brings a lighter-weight titanium build together with a more balanced rear appearance than a single-exit setup. It is well suited to owners who want premium materials, stronger exhaust presence, and a more complete rear-end l...

Used in 0 builds

View details →
Aeroflow Dynamics F1 Titanium Single Exit Catback Exhaust
ExhaustVB
Price alert availableOn sale · 4% off

F1 Titanium Single Exit Catback Exhaust

Aeroflow Dynamics

Tracked Current Price

$1299.99

via Aeroflow Dynamics

checked May 23

Typical range

$720 - $1,080

This single-exit titanium catback is aimed at owners who want a lightweight and visually distinctive exhaust setup with a more raw motorsport feel than traditional dual-exit systems. It is a stronger style statement than a standard street catback and fits b...

Used in 0 builds

View details →
Aeroflow Dynamics Front Lip V1
ExteriorVB
Price alert available

Front Lip V1

Aeroflow Dynamics

Tracked Current Price

$99.99

via Aeroflow Dynamics

checked May 23

Typical range

$80 - $110

Entry-level front lip option for the VB that gives the car a noticeably lower and more aggressive front profile without going overboard. This is a strong starter aero piece for owners who want sharper styling, OEM-adjacent fitment, and a part that still mak...

Used in 0 builds

View details →
Aeroflow Dynamics Front Lip V2
ExteriorVB
Price alert available

Front Lip V2

Aeroflow Dynamics

Tracked Current Price

$199.99

via Aeroflow Dynamics

checked May 23

Typical range

$130 - $230

The V2 front lip is a more pronounced step up in visual aggression than the base lip and works well for builds chasing a sharper street or show-oriented front-end look. It is a direct-fit exterior upgrade that helps define the lower bumper line and pairs na...

Used in 0 builds

View details →
Aeroflow Dynamics Front Lip V3
ExteriorVB
Price alert availableOn sale · 25% off

Front Lip V3

Aeroflow Dynamics

Tracked Current Price

$149.99

via Aeroflow Dynamics

checked May 23

Typical range

$130 - $230

The V3 front lip is one of the stronger visual statements in AFD’s VB catalog, aimed at owners who want a more distinct aero look than the earlier lip styles. It adds presence and edge to the nose of the car while still staying within the typical bolt-on ex...

Used in 0 builds

View details →
Aeroflow Dynamics Front Splitter V1
ExteriorVB
Price alert available

Front Splitter V1

Aeroflow Dynamics

Tracked Current Price

$499.99

via Aeroflow Dynamics

checked May 23

Typical range

$360 - $540

Street-oriented front splitter that provides a more aggressive lower front profile without going fully track-focused. Designed for daily drivability while still improving visual presence.

Used in 0 builds

View details →
Aeroflow Dynamics Front Splitter V6
ExteriorVB
Price alert available

Front Splitter V6

Aeroflow Dynamics

Tracked Current Price

$499.99

via Aeroflow Dynamics

checked May 23

Typical range

$360 - $540

A more aggressive front aero option than a standard lip, the V6 front splitter gives the VB a sharper lower edge and a more complete track-inspired front-end look. It suits builds already leaning into full aero styling and rewards careful install and alignm...

Used in 0 builds

View details →
Aeroflow Dynamics Hubcentric Wheel Spacers
WheelsVB
Price alert available

Hubcentric Wheel Spacers

Aeroflow Dynamics

Tracked Current Price

$199.99

via Aeroflow Dynamics

checked May 23

Typical range

$140 - $260

AFD’s hubcentric wheel spacers are a fitment-focused wheel setup mod for owners chasing a more flush stance or slightly more aggressive track width. They are best treated as a careful wheel-fitment decision rather than a cosmetic-only change because spacing...

Used in 0 builds

View details →
Aeroflow Dynamics Intercooler Shroud
EngineVB
Price alert available

Intercooler Shroud

Aeroflow Dynamics

Tracked Current Price

$99.99

via Aeroflow Dynamics

checked May 23

Typical range

$80 - $120

The Intercooler Shroud is an engine-bay support piece designed to protect the top-mount intercooler area while keeping the install simple and OEM-adjacent. It is more of a functional finishing mod than a headline performance part, but it fits nicely into a ...

Used in 0 builds

View details →
Aeroflow Dynamics Paint Matched Fender Flares
ExteriorVB
Price alert availableOn sale · 7% off

Paint Matched Fender Flares

Aeroflow Dynamics

Tracked Current Price

$649.99

via Aeroflow Dynamics

checked May 23

Typical range

$530 - $800

AFD's Paint Matched Fender Flares are one of the most recognizable visual changes available for the VB because they replace the factory black cladding with a cleaner body-color look. They are a strong OEM-plus exterior upgrade for owners who want the car to...

Used in 0 builds

View details →
Aeroflow Dynamics Rear Diffuser V1
ExteriorVB
Price alert available

Rear Diffuser V1

Aeroflow Dynamics

Tracked Current Price

$699.99

via Aeroflow Dynamics

checked May 23

Typical range

$500 - $760

Entry-level rear diffuser that enhances the lower rear bumper styling and complements other aero components without being overly aggressive.

Used in 0 builds

View details →
Aeroflow Dynamics Rear Diffuser V2
ExteriorVB
Price alert available

Rear Diffuser V2

Aeroflow Dynamics

Tracked Current Price

$699.99

via Aeroflow Dynamics

checked May 23

Typical range

$500 - $760

More aggressive rear diffuser design that adds sharper fins and a stronger performance-inspired rear appearance.

Used in 0 builds

View details →
Aeroflow Dynamics Rear Diffuser V3
ExteriorVB
Price alert available

Rear Diffuser V3

Aeroflow Dynamics

Tracked Current Price

$479.98

via Aeroflow Dynamics

checked May 23

Typical range

$150 - $280

Top-tier diffuser option with the most aggressive styling in the lineup, ideal for full aero builds.

Used in 0 builds

View details →
Aeroflow Dynamics Rear Spat Extension V8
ExteriorVB
Price alert available

Rear Spat Extension V8

Aeroflow Dynamics

Tracked Current Price

$200.00

via Aeroflow Dynamics

checked May 23

Typical range

$130 - $230

Rear spat extensions are a useful finishing piece for the lower rear corners, especially on cars already running front and side aero. This version gives the bumper a more complete, planted look and helps the rear profile feel more intentional rather than st...

Used in 0 builds

View details →
Aeroflow Dynamics Rear Window Spoiler V1
ExteriorVB
Price alert available

Rear Window Spoiler V1

Aeroflow Dynamics

Tracked Current Price

$139.99

via Aeroflow Dynamics

checked May 23

Typical range

$109 - $140

The rear window spoiler is a smaller exterior touch, but it does a good job of visually finishing the upper rear section of the car. It suits owners who want subtle extra aggression and better visual continuity between the roofline, rear glass, and trunk area.

Used in 0 builds

View details →
Aeroflow Dynamics Rear Window Spoiler V2
ExteriorVB
Price alert available

Rear Window Spoiler V2

Aeroflow Dynamics

Tracked Current Price

$100.00

via Aeroflow Dynamics

checked May 23

Typical range

$90 - $125

Updated rear window spoiler design offering a more aggressive profile compared to V1 while maintaining OEM-like integration.

Used in 0 builds

View details →
Aeroflow Dynamics Side Skirt Extension V1
ExteriorVB
Price alert available

Side Skirt Extension V1

Aeroflow Dynamics

Tracked Current Price

$299.99

via Aeroflow Dynamics

checked May 23

Typical range

$220 - $320

This aluminum side skirt extension is more track-inspired in feel than the standard side skirts and is a good fit for owners who want a more purposeful lower-body aero look. It adds noticeable side definition and works particularly well on builds that alrea...

Used in 0 builds

View details →
Aeroflow Dynamics Sport Grill
ExteriorVB
Price alert available

Sport Grill

Aeroflow Dynamics

Tracked Current Price

$179.99

via Aeroflow Dynamics

checked May 23

Typical range

$130 - $230

AFD’s standard sport grille is a strong OEM-plus front-end update for VB owners who want a cleaner and more open mesh-style look than stock. It changes the character of the nose noticeably without requiring a more dramatic exterior commitment like a wing or...

Used in 0 builds

View details →
Aeroflow Dynamics Sport Lowering Springs
SuspensionVB
Price alert available

Sport Lowering Springs

Aeroflow Dynamics

Tracked Current Price

$229.99

via Aeroflow Dynamics

checked May 23

Typical range

$160 - $300

AFD’s Sport Lowering Springs are aimed at owners who want a lower stance and tighter visual wheel gap while staying in the spring-only part of the suspension path. They make sense for daily-driven cars looking for a cleaner stance without stepping immediate...

Used in 0 builds

View details →
Aeroflow Dynamics STI Wing V3
ExteriorVB
Price alert available

STI Wing V3

Aeroflow Dynamics

Tracked Current Price

$399.99

via Aeroflow Dynamics

checked May 23

Typical range

$290 - $430

The STI Wing V3 is a high-commitment rear aero choice that gives the VB a much more aggressive, concept-inspired trunk profile. It suits owners who want the rear wing to be a defining styling feature rather than a subtle finishing touch.

Used in 0 builds

View details →
Aeroflow Dynamics V-Style Wing
ExteriorVB
Price alert available

V-Style Wing

Aeroflow Dynamics

Tracked Current Price

$349.99

via Aeroflow Dynamics

checked May 23

Typical range

$280 - $420

The V-Style Wing is a much more dramatic rear aero choice aimed at builds that want a concept-inspired or show-oriented look. It changes the character of the rear end much more than a duckbill and is best suited for owners who want the wing itself to be a d...

Used in 0 builds

View details →
Aeroflow Dynamics V4 Kogeki Duckbill Spoiler
ExteriorVB
Price alert available

V4 Kogeki Duckbill Spoiler

Aeroflow Dynamics

Tracked Current Price

$239.99

via Aeroflow Dynamics

checked May 23

Typical range

$150 - $280

The V4 Kogeki duckbill is a more stylized alternative to AFD’s standard duckbill, aimed at owners who want the rear spoiler to feel more signature and less conservative. It still stays within duckbill territory, but it leans more aggressive and pairs well w...

Used in 0 builds

View details →
AMS Performance Air Intake
IntakeVB
Price alert available

Air Intake

AMS Performance

Tracked Current Price

$549.95

via Subimods

checked Apr 20

Typical range

$440 - $660

The AMS Performance Air Intake is generally viewed by the VB community as a premium intake choice for owners who want measurable airflow improvement without the sloppy tuning behavior that sometimes gets associated with lower-effort intake designs. AMS spec...

Used in 0 builds

View details →