Making Power the Legal Way: GrimmSpeed’s Push for SEMA and CARB Certification

At GrimmSpeed, our mission has always been simple: deliver high-quality, performance-focused parts that Subaru drivers can trust. But performance alone isn’t enough anymore—we want to make sure that more of our parts aren't just track-worthy, but street-legal too. That’s why we’ve doubled down on our commitment to emissions compliance, taking...

GrimmSpeed Packages: Power, Precision, and Real-World Value

Let’s be honest—building your Subaru isn’t always a straight path. Whether you’re chasing more power or a more connected driving feel, you’re constantly piecing together parts, comparing options, and making sure it all works together. We get it. That’s why we’ve taken some of our most popular products and bundled...

How a Strut Bar Transforms Your Drive — And Why GrimmSpeed Built a Better One

When you think about improving the way your car feels behind the wheel, most people immediately jump to tires, suspension, or power upgrades. But there's another simple and often overlooked way to seriously sharpen your car’s response: a strut bar. A strut bar connects the tops of your car’s strut towers,...

Shift Your Style: Customizing GrimmSpeed Shift Knobs with Bike Stem Caps

Contrary to popular belief, the staff at GrimmSpeed does have interests outside of Subarus (shocking, right?). Occasionally, inspiration strikes and we come up with ideas for some amazing crossover products—and our new Shift Knobs are one of those results. One of the standout features of our new GrimmSpeed Shift Knobs...

Designing the Next-Gen Front Mount Intercooler for the VB WRX: Lessons from the Past

When it comes to turbocharged performance, the intercooler is one of the most critical components for ensuring consistent power delivery and engine longevity. For Subaru WRX and STI drivers, both Top Mount Intercoolers (TMICs) and Front Mount Intercoolers (FMICs) can be key elements to getting peak performance from your vehicle....

Celebrating the Legendary Subaru STI: Performance, Design, and a Lasting Legacy

The Subaru STI is more than a vehicle—it's a cultural icon, embodying decades of motorsport heritage and unmatched performance. Let’s take a look at what makes the STI special, and why it's a vital part of what we do at GrimmSpeed.  Iconic Boxer Powertrain At the core of every STI...

Add Style To Your Engine Bay with GrimmSpeed’s Titanium Series

A well-styled engine bay isn’t just about aesthetics—it’s a reflection of craftsmanship, performance, and attention to detail. At GrimmSpeed, we’re taking engine bay upgrades to the next level with our latest Titanium Series, featuring the Titanium Pulley Cover, Titanium Fender Shrouds, and Titanium Radiator Shroud for the 2022+ Subaru WRX....