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The Subaru WRX is one of the most common platforms we work with at Wrench Masters. From bolt-on upgrades to full performance builds, we carry WRX-specific parts that are selected for proper fitment, performance, and long-term reliability.
This page is designed to help WRX owners from the start of their journey to get the right parts faster, with confidence.
Vehicle-specific fitment. Proven performance brands. Street & track focused upgrades.
Browse WRX aftermarket parts by system to quickly find the upgrades that match your build goals.
We work with some of the most respected names in the Subaru aftermarket to offer WRX parts that deliver consistent performance and proven results. These brands are known for quality engineering, proper fitment, and real gains you can rely on.
Our Subaru WRX parts selection covers multiple generations and configurations.
2008–2014 Subaru WRX
Common EJ-based WRX models with a wide range of aftermarket support.
2015–2021 Subaru WRX
FA20-powered WRX platforms focused on modern performance and drivability.
2022+ Subaru WRX (FA24)
Latest-generation WRX with updated powertrain and chassis design.
Always confirm compatibility based on year and configuration before ordering.
Looking for STI-specific upgrades? Explore our dedicated Subaru STI Performance Parts page for platform-focused parts and builds.
Not sure where to start or which upgrades make the most sense for your WRX? These guides break down common questions and help you choose the right parts for your build.
Once you’ve confirmed that the clutch is becoming a limitation, the next decision is whether to stay with an OEM-style replacement or move to a…
If you are comparing the FA20 and FA24 engines found in modern Subaru WRX models, you are not alone. With the introduction of the FA24…
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Boost your Subaru WRX’s performance and efficiency with the COBB Can Flex Fuel Upgrade. Designed specifically for 2022–2025 Subaru WRX models, this upgrade allows your…
Explore some of the most popular Subaru WRX upgrades, selected based on performance demand and customer installs.
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This product has multiple variants. The options may be chosen on the product page
Select options
This product has multiple variants. The options may be chosen on the product page
The most impactful starting point for most WRX owners is an Accessport tune combined with a turbo inlet and a supporting exhaust upgrade. These changes improve how the ECU manages boost, reduce restriction at the compressor inlet, and give the build a proper foundation before bigger modifications are added. Our WRX bolt-on upgrades guide covers the right order and what to expect from each mod.
On the FA20, most stock engines reliably support 300 to 330 wheel horsepower with conservative tuning on pump gas. The FA24 in the 2022 and later WRX follows a similar pattern with slightly more low-end torque from the factory. Exceeding these thresholds without supporting mods increases the risk of head gasket failure and bottom end stress. Our FA20 and FA24 power limits guide breaks this down in detail.
The FA20 powered the WRX from 2015 to 2021 and has a deep aftermarket ecosystem with proven tuning paths. The FA24 arrived in the 2022 WRX with increased displacement, stronger low-end torque, and updated engine management. Both respond well to bolt-on modifications and tuning, but the FA24 is a newer platform with a growing aftermarket. Our FA20 vs FA24 guide covers the key differences in detail.
Once power goals push consistently beyond 350 to 400 wheel horsepower on sustained hard use, the factory open deck architecture starts to show its limits. At that point a closed deck short block becomes the smarter long-term foundation. Our WRX engine build and power goals guide explains how to plan around a built engine from the start.
It depends on the modification. Bolt-on upgrades like a catback exhaust, turbo inlet, or air intake can often be installed by experienced DIYers. Fuel system upgrades, turbo swaps, and engine builds require professional installation and tuning to operate safely. Wrench Masters offers installation and tuning services for WRX builds at our St. Petersburg location.
Yes. We offer free shipping on orders over $199 across the continental United States. All orders are processed and shipped from our St. Petersburg location.
Vehicle-specific fitment. Proven performance brands. Street & track focused upgrades.
