Modifications Database

The AMS Engine Coolant Hoses are more of a quality and longevity upgrade than a headline performance part, but that is exactly why they matter to a certain kind of VB build. Community-wise, these are the parts owners add when they are trying to clean up the...

The AMS Engine Pulley Cover is another engine-bay dress-up piece that fits the same niche as pulley covers and shrouds from other premium Subaru brands: not a power part, but a visible finishing touch for owners who care about presentation. It is most valua...

The AMS Fender Shrouds are classic engine-bay finishing pieces: not necessary for power, but very effective at making the bay look cleaner and more intentionally built. In the community, parts like this appeal most to owners who want an OEM-plus presentatio...

The AMS Performance Front Mount Intercooler is the kind of cooling upgrade the VB community usually associates with more serious power goals, repeated hard pulls, and builds that have moved well beyond basic bolt-ons. AMS emphasizes a highly efficient 4-inc...

The AMS Mud Flaps are a practical exterior protection mod that the VB community tends to appreciate for real-world reasons more than hype. They help keep road debris off the paint, visually match the factory fender treatment well, and make a lot of sense fo...

The AMS Stainless Steel Brake Lines are the kind of supporting chassis mod the VB community usually recommends to drivers who actually care about pedal feel and consistency, not just power numbers. They are not flashy, but braided lines make a meaningful di...

The AMS Performance Top Mount Intercooler is one of the easiest AMS products for the VB community to justify because it keeps the factory top-mount layout while delivering a 71 percent larger core size, substantially lower charge temperatures, and far bette...

From the community perspective, the COBB Front Sway Bar is for owners who actually care about balance and front-end confidence, not just straight-line mods. It is one of those parts that usually gets recommended once the build starts to move beyond intake a...

From the community perspective, this is the most sensible COBB intake-side upgrade for the VB because it improves airflow while keeping the stock airbox instead of forcing a full open-intake approach. COBB specifically designed it around the factory hydroca...

From the community perspective, COBB Lowering Springs are the straightforward choice for owners who want a noticeably better stance and sharper handling without making the car feel slammed or completely re-engineered. They fit the COBB brand well: conservat...

From the community perspective, the COBB Rear Sway Bar is one of the higher-value handling upgrades in the VB suspension conversation because it can change the way the car rotates without requiring a full suspension overhaul. It is the kind of part drivers ...

From the community perspective, this is a premium take on a familiar WRX mod. Most owners do not need a carbon-fiber plate relocate, but that is kind of the point — it is for builds already leaning into higher-end detail work where even the front plate solu...

From the community perspective, the COBB Shifter Bushing is one of the low-cost mods that makes the car feel more serious than it actually is. On its own it is subtle, but in combination with a shift plate or shift stop it helps remove some of the looseness...

From the community perspective, the COBB Shifter Stop is one of the most sensible feel mods in the entire VB ecosystem. It is cheap, practical, and immediately noticeable, which is exactly why it comes up so often in “first mods” conversations for manual ca...

From the community perspective, the COBB stainless cat-back is the refined choice in a sea of louder VB exhausts. It usually gets recommended to owners who want quality, subtlety, and a mature sound profile instead of the most aggressive possible volume. Th...

From the community perspective, end links are not the glamorous part of the suspension build, but they matter once sway bars enter the picture. COBB end links are the kind of supporting part that makes sense when you want the sway bar upgrade to actually fe...

From the community perspective, the COBB Titanium Cat-Back is the premium answer for owners who like COBB’s more restrained sound philosophy but still want something special. It is not the budget pick, and it is not trying to be. It appeals most to owners w...

From the community perspective, the COBB Top Mount Intercooler is a very balanced cooling upgrade for the VB because it meaningfully increases airflow and cooling capacity without giving up the response and packaging advantages of the stock top-mount layout...

The ETS Air Filter is a direct service or replacement component for ETS intake setups on the VB and is mainly relevant for owners maintaining an existing ETS intake system. It is a practical support item rather than a headline performance mod, but it matter...

The ETS Airbox Only option is a useful supporting piece for owners already building around the ETS intake system and wanting a cleaner, more enclosed intake setup. It is less of a standalone mod and more of a refinement component that helps finish out the i...

The ETS Axleback Midpipe is a supporting piece that converts the ETS axleback system into a fuller catback-style setup when used with the appropriate rear section. It is mainly relevant for owners already in the ETS exhaust ecosystem who want more flexibili...

The ETS Axleback System is one of the easiest ways to change the VB’s exhaust character because it keeps the installation path simple while increasing sound and giving the rear of the car a more aggressive look. It is a good entry-level exhaust choice for o...