
On Most Orders Over $250*
On Most Orders Over $250*
DETAILS
The newly released Billetworkz window vents are designed to fit perfect in your 2015-2021 WRX or 2015-2021 STI
They feature a 3 layer construction to allow for proper installation. The window fits between the inside and outside layer, while the middle layer inserts into the door frame. To install, simply lower the window, set into place, and raise back up.
Once installed, the window vents are secured into place. Lower the window to remove. Use them at the track, driving around town, or to add that extra style to your show car! Made from a high quality PMMA plastic.
Billetworkz has become a go-to brand for Subaru owners who demand more than just performance—they demand personality. Proudly based in Pennsylvania, we’re a passionate crew of enthusiasts who live and breathe the automotive lifestyle. From the first prototype to the final polish, our parts reflect a deep understanding of what Subaru drivers truly want—function, feel, and a custom aesthetic that stands out. While other brands follow trends, Billetworkz carves its own path—earning the respect of some of the most detail-obsessed Subaru owners in the world.
For Subaru enthusiasts who demand more from every gear change, Billetworkz Weighted Shift knobs deliver the perfect balance of performance and style. Precision-machined from stainless steel, our knobs are designed to add weight where it matters—giving you smoother, more deliberate shifts and a connected driving experience. With dozens of finishes, engravings, and shapes like our popular Lightbulb, Piston, and Teardrop, there's a perfect knob for every build style—from daily driver to full send. Built in-house, made in small batches, and designed to feel as good as they look—this is where the shift starts.
We know the mod bug runs deep in the Subaru world; that’s why we built the essentials that elevate both form and function. Our Weighted Shift Knobs offer crisp, smooth and more connected shifts, while our engine bay caps and interior accessries clean up the bay and add that personal touch. Every part is machined from high-grade materials and built to last, designed specifically for your Subaru platform. Whether you're starting your first build or finishing off a full setup, Billetworkz makes sure the details never get overlooked.
Transform your vehicle's interior with Billetworkz custom engraved shift knobs, meticulously crafted to your exact specifications. Our made-to-order shift knobs allow you to personalize every detail—from unique engravings and logos to custom colors and finishes. Experience truly personalized automotive craftsmanship with Billetworkz.
At Billetworkz, every product is made in-house with Subaru drivers in mind. From Weighted Shift Knobs that improve your daily drive to Short Shifters that transform every gear change, our parts are crafted for those who crave precision and individuality behind the wheel. Whether you're building a show car or a weekend canyon carver, our Subaru-specific components, including engine bay dress-up kits and interior accessories, let you fine-tune every detail to your exact style. No outsourcing. No compromises. Just pure Subaru passion—machined into every piece.
Subaru builds deserve more than just bolt-ons—they deserve innovation you can feel and style that turns heads. At Billetworkz, we obsess over every cut, curve, and finish to bring bold ideas to life for the Subaru community. Our shift knobs and accessories don’t just add flair—they’re engineered to enhance form and function, elevating every drive. Trusted by Subaru enthusiasts, track rats, and custom-builders alike, we set the standard for creative, high-performance detail without ever sacrificing craftsmanship.
I needed to get some fresh air in the cabin while I diagnose a climate control issues on my WRX.
These are perfect for my commute as the mesh prevents surprise bug activity while I’m fighting traffic. Love the way they look!
Jason,
Thank you for your 5 Star Review!
We are glad the Billetworkz Rear Window Vents help bring fresh air in while looking great. Bug-free commuting sounds like a win to us!
Regards,