GrimmSpeed
Official Partner
About GrimmSpeed:
GrimmSpeed is a premium Subaru performance parts manufacturer creating the highest-quality components to enhance your Subaru's performance and aesthetics. Through passion, innovation, and quality, we've grown from a small specialist into a leading performance brand. Our enthusiast community has driven our product expansion, and a 2019 partnership strengthened our production capabilities. With in-house manufacturing, we ensure excellence in every part we produce. Our team of car enthusiasts provides genuine, knowledgeable support because we're passionate about these vehicles too. We take pride not only in our manufacturing but also in our industry-leading customer service. From intercoolers to boost controllers, each product embodies our commitment to performance and our garage-built heritage.
At our core, we are just like you. Enthusiasts. Builders. Dreamers.
Why we love Subiefest Midwest:
For 10+ years, we still love connecting with fellow enthusiasts and supporting the community!
Why you should come to our booth:
Join GrimmSpeed at Subiefest Midwest in Joliet on October 10! Explore our brake calipers, mudflaps, short throw shifter, intakes, and intercoolers. Shop exclusive show deals on swaptops, turbos, and our event T-shirt. See the GrimmSpeed Shop Car and WRXDAILY STI, and enter to win a $500 gift card!
What we're giving away at SFMW 2026:
1x $500 Gift Card
Karbon Kings Performance
Official Partner
About Karbon Kings Performance:
Karbon Kings Performance is ran by real car guys who live, breathe, and sleep automotive performance and styling. We all have different tastes in cars, which make us diverse and our different backgrounds helps us assist all customers with different purposes/builds. You may own a domestic drag/street car, stancey boi car, or a true Japanese inspired track monster - we are diverse in all fields. We are not your average "parts pushers", we are here to help you in any way shape or form with honest knowledge and expertise!
Why we love Subiefest Midwest:
The vibe at this show is unlike any other. Just a friendly community of car enthusiasts coupled with a SubieEvents staff that do a phenomenal job at organizing such a large event, theres no reason not to go! Hands down one of our favorite events to attend.
Why you should come to our booth:
Stop by KARBON KINGS for a wide selection of goodies, from keytags to custom steering wheels, every purchase over $40 receives a sticker pack! This promotion is exclusive for this event!
What we're giving away at SFMW 2026:
Karbon Kings Mystery Box. (Over $500 in merch)
Kartboy
Official Partner
About Kartboy:
Carefully Engineered. Built to Last. Kartboy first gained recognition among Subaru enthusiasts in 1999 for its innovative product design and precision manufacturing. Quality endures. For over 25 years, Kartboy products have been manufactured, machined, welded, and packaged by Kartboy himself.
Why we love Subiefest Midwest:
We love connecting with real enthusiasts, swapping stories, talking tech and sharing our products!
Why you should come to our booth:
Come join us at Kartboy to see a whole new spread of products, displays, and an exciting new unveiling!
What we're giving away at SFMW 2026:
$400 Gift Card
Subimods
Official Partner
About Subimods:
Here at Subimods.com, we have spent years in the Subaru Aftermarket & Performance business. We know what works and what doesn't work. We have had the success stories, and the failure stories as well. With this wealth of knowledge, we decided to concentrate our efforts on bringing the Subaru Community, nothing but the best brands in the business. Our #1 priority is YOU, the Customer. We want to help you build your project from start to finish. You should not have to go anywhere else for aftermarket & performance parts, we are it, your last stop.
Why we love Subiefest Midwest:
We travel thousands of miles a year attending trade shows such as Wicked Big Meet, Boxerfest, and Subiefest! It's about YOU; the attendees' whether or not you are a past customer or we may meet for the first time being able to interact with you in person means the world to us. We cannot thank every person enough who comes up to our booth and supports us, we would not be able to do this without you.
Why you should come to our booth:
Stop by the Subimods booth at Subiefest Midwest 2026 to check out awesome builds, meet the team, chat with fellow enthusiasts, and get hands on with products from the brands you know and trust. Whether you're planning your next upgrade or just want to talk cars, we'd love to see you.
What we're giving away at SFMW 2026:
2x 200 Gift Cards
Six Star Motorsports
Official Partner
About Six Star Motorsports:
At Six Star Motorsports, we aren’t just your ordinary performance shop. We handle everything from basic maintenance to custom fabrication for your Subaru. From start to finish, your car will be treated like it is one of our own.
Opened back in 2010 in a 1500 square foot facility, the humble beginnings of a shop were simple…. Show the masses that they can get great service at a great rate with great support behind it! Proving over the years that we are not a one trick pony, we’ve had huge success throughout the motorsports avenues from drag racing 9 second subies to time-attack campaigns with NASA and Gridlife or maybe your interests are in Autocross or Rallycross which we have also embarked on and created podium finishers!
From the phone call to the email to the sit-down consultation all the way to the build-plan and then to the dyno and cheers! We will start your plan of success with the Subaru platform like no one else. Our methods are inspired by years of success fortified with integrity and humble acknowledgement of who we are. At our core we are, we are the same as everyone else. We just want to go fast; in a tasteful way of course so we treat your cars as we’d treat our own! Reliability, consistency and quality are what we strive to achieve in our goals as a business to make sure YOU, the clients are ensured the best overall experience that can be had. You are not an invoice to us as we don’t want to be just a shop to you ?
Whether you are a first time client or one of the regulars we are always here to help from the most minor detail to the most extravagant adventures. Tech support, intellectual part association or simply a shoulder to lean on if your bottom end just went knocking, we’ll be here so don’t hesitate to pick up the phone.
Why we love Subiefest Midwest:
As a vendor, Subiefest is the place to get down with the locals and all the enthusiasts willing and wanting to be part of something. It's a nostalgic reminder of the days in the late 90's and early 00's when people just wanted to be a part of a culture and not be judged or casted out of being different.
Why you should come to our booth:
Come check out this year's limited-edition shirts, see this year's build showcase and get the best deals on parts and service!
What we're giving away at SFMW 2026:
Motul Fluid Service: Engine Oil & Filter, Front & Rear Diff Fluid Service, Transmission Gear Oil, Clutch Flush, Brake Flush
CSTuned
Official Partner
About CSTuned:
We are a certified tuner for Subaru and are located in Montgomery, IL. We specialize in ECU tuning for ALL Subaru vehicles. Knowledge is power and spreading that knowledge is the main goal behind the CSTuned project. The support we have gotten from the community, as a whole, has been outstanding and we are excited every day for the ability to be able to share our passion with others!
Why we love Subiefest Midwest:
We love these events because they are the epitome of what car culture should be!
Why you should come to our booth:
Whether you want to check out our amazing booth cars, purchase discounted parts for your vehicle, grab some free goodies, or simply share your dream build with us, there is something for everyone at the CSTuned booth! Come kick it with likeminded enthusiasts and enter to win our free tune giveaway!
What we're giving away at SFMW 2026:
Free Tune - Dyno or E-Tune ($1000+ Value)
MAPerformance
Official Partner
About MAPerformance:
--MAPerformance: Redefining Fast for the Subaru Community--
From our roots in Minnesota in 2006 to our home today in Wrightstown, Wisconsin, MAPerformance has spent nearly two decades pushing the limits of Subaru performance on all its platforms. A relentless passion for speed has grown into a commitment to innovation, craftsmanship, and unwavering support for enthusiasts.
We don’t just sell parts—we engineer them. Our in-house R&D and manufacturing teams design and build performance upgrades ranging from intakes and exhaust systems to complete induction kits, all tested and proven to perform. But our dedication doesn’t stop there. Whether it’s hosting events, supporting grassroots motorsports, or answering your toughest tech questions, we’re here to fuel your Subaru journey every step of the way.
Discover what sets MAPerformance apart. Let’s make your Subaru faster, better, and uniquely yours. We can’t wait to connect with you at Subiefest and beyond!
Why we love Subiefest Midwest:
Subaru enthusiasts bring amazing energy, and that energizes us to be even better in our community!
Why you should come to our booth:
We love being part of this community; it's a huge factory to be able to talk real shop with real enthusiasts, whether you're after the event sticker or just hanging out, come on by!
What we're giving away at SFMW 2026:
MAPerformance Subaru WRX Top Mount Intercooler | 2022+ Subaru WRX (VB)
Overtake
Official Partner
About Overtake:
At OVERTAKE, we put our customers first, not as sales numbers, but as passionate car guys and gals who live and breathe their cars. Every part we create and release is designed with precision, pride, and purpose. We’re here to support the Subaru community, to fuel the passion of the next generation of gearheads, and to show that small businesses can still take the lead.
Why we love Subiefest Midwest:
We love this event because we get to reconnect with friends and fans every year.
Why you should come to our booth:
Stop by for exclusive Subiefest deals on OVERTAKE parts and to get a sneak peak at what we have coming soon!
What we're giving away at SFMW 2026:
$420.69 Gift Card to OvertakeUSA.com
Team Takeoff
Official Sponsor
About Team Takeoff:
What started as a vision shared between friends in a fast-food parking lot has grown into something we never imagined. With the help of countless people we now call family, and our ever-supportive hometown of Joliet, IL, we've expanded into large free events, high-quality USA-made apparel, custom fabrication with exotic materials, and a talented racing team.
Every product we create and every event we host is driven by genuine passion and authentic experience. We're not just a company, we're a community of people who live this lifestyle.
Made by enthusiasts, for enthusiasts.
Why we love Subiefest Midwest:
Subifest is truly an incredible event. The energy and community involvement is unmatched.
Why you should come to our booth:
We have new Halloween designs debuting for Subiefest and bundle discounts!
What we're giving away at SFMW 2026:
Custom Fabricated, Powdercoated, and Lasered Aluminum $400 Gift Card
AMS Performance
Associate Sponsor
About AMS Performance:
At AMS Performance, we specialize in automotive performance for turbocharged vehicles. In addition to being a leader in the automotive performance parts manufacturing industry, we offer in-house engine computer calibration, parts and package installations, as well as engine and transmission building services.
First and foremost, AMS is an engineering company. Unlike many shops, our parts are engineered to be the best performing components you can buy. It is common for many manufacturers in the industry to have a basic understanding of engine performance, but at AMS we take it far past that using computer-aided designs and mechanical engineers with years of motorsports experience.
AMS Performance has been at the top of the game since opening our doors over 20 years ago. From turn-key packages to individual components, we can meet and exceed all kinds of performance goals. From drag racing to road racing, and everything in between, let AMS enhance your driving experience!
Why we love Subiefest Midwest:
We love coming to this event because there is no better place in the country to connect with all the different types of genuine Subaru enthusiasts in one place. We also love having the opportunity to show the community the new parts we've been working on.
Why you should come to our booth:
Celebrating 25 years of AMS, we're bringing our newest Subaru parts to the booth, including prototypes you won't see anywhere else yet. Stop by to talk shop with our team about our VB WRX turbo shootout results and see the engineering behind every part up close.
What we're giving away at SFMW 2026:
Qty. 1 AMS Performance Weighted Carbon Fiber Shift Knob, Qty. 1 AMS Performance Billet Engine Oil Cap, Qty. 1 AMS Performance Billet Engine Oil Dip Stick
Ctbgarage
Associate Sponsor
About Ctbgarage :
CTBGARAGE is a car booth designed for all car enthusiast l. We offer a variety of goodies. T-shirts, decals, keychains, backpacks of all different tastes.
Why we love Subiefest Midwest:
CTBGARAGE will be attending Subiefest for the first time.
Why you should come to our booth:
CTBGARAGE should come and join Subiefest Midwest 2026 for the simple fact that we share the love for cars and the people that make this event phenomenal.
What we're giving away at SFMW 2026:
Backpack, 4 Shirts, and 8 Keychains
Fresh Links
Associate Sponsor
About Fresh Links:
We provide custom keychains, air fresheners and many other products
Why we love Subiefest Midwest:
Will be our first one of many to attend!
Why you should come to our booth:
We offer custom designed car merch for people of all ages
What we're giving away at SFMW 2026:
2x Prizes Ft. Bookbag, Hoodie, Lanyards, and Keychains (2 Winners)
CarDrugs.com
Associate Sponsor
About CarDrugs.com:
Specializing in Limited Edition Apparel, Flags, Gaming Mats, Bags, and more Auto accessories.
Why we love Subiefest Midwest:
Whats better than unlimited Subarus!
Why you should come to our booth:
Every show our products change. For this show we have exclusive Subaru items only available at Midwest
What we're giving away at SFMW 2026:
2x $100 Gift Cards (redeemable at booth or website | 2x winners)
Axo Transfers
Associate Sponsor
About Axo Transfers:
Axo Transfers was founded by Jack, a Filipino American,
and Cristian, a Mexican American, with one mission in mind: help businesses, creators, and hobbyists save time and money without sacrificing quality.
We know how important it is to bring your ideas to life, which is why we deliver affordable pricing, lightning-fast turnaround, and transfers you can trust. Whether you’re a professional print shop, a small business owner, or a DIY enthusiast, Axo Transfers is here to make your designs shine.
What We Do Best
DTF Transfers & UV DTF Transfers – vibrant, durable, and press-ready.
Embroidery & Digitizing – elevate your brand with timeless stitching.
Banners & Wide-Format Printing – go big with high-impact visuals.
Die-Cut Stickers & Decals – precision-cut for cars, storefronts, or merch.
Custom Apparel & Promo Printing – from tees to hard surfaces, we’ve got you covered.
Why Choose Us
24-Hour Turnaround – get your orders fast, without rush fees.
Expert Support – our team helps you perfect your artwork and press settings.
Trusted by Businesses – from local shops to nationwide franchises, we’re the go-to partner for quality and reliability.
At Axo Transfers, we’re more than just a print provider — we’re your creative partner. Whether you’re building a brand, running a business, or crafting for fun, we’ll help you turn your designs into reality, quickly and affordably.
Why we love Subiefest Midwest:
We love Subiefest Midwest for the energy, the builds, and the community that drives it all! 🚗✨
Why you should come to our booth:
Exclusive Subiefest Midwest 2026 deals 🔥 Grab free samples, enter giveaways, and connect with the Axo team. See why we’re trusted for fast turnaround and top-tier quality—and take your Subaru build to the next level 🚗💨
What we're giving away at SFMW 2026:
3x Special Edition Subiefest 2026 Shirts and Stickers = $100 Gift Card
LIQUI MOLY USA
Associate Sponsor
About LIQUI MOLY USA:
The finest raw materials, ongoing quality inspections and compliance with the very highest specifications guarantee unbeatable quality and unique advantages for you. In LIQUI MOLY, you buy more than just a product. You get maximum benefits, accompanied by personal advice, comprehensive service and an unparalleled focus on the customer. This is our mission. With a healthy dose of common sense, an abundance of dedication and our sights set on one clear goal: to fill you with enthusiasm.
Why we love Subiefest Midwest:
We love coming to Subiefest because it really brings everything a car enthusiast could want. From the car show, to the autocross racing, to the vendor section, there really is something for everyone there packed in a family friendly environment. For enthusiasts like us, we love it ALL!
Why you should come to our booth:
Stop by the LIQUI MOLY booth at Subiefest California 2026 to connect with our team and learn more about our premium oils, additives, and maintenance solutions. Whether you’re a daily driver, enthusiast, or performance-minded owner, come talk shop, ask questions, and see what makes LIQUI MOLY a trust
What we're giving away at SFMW 2026:
Oil Change Kit & Fan Package
Sunrun
Vendor
About Sunrun:
We are the #1 Home Solar & Battery company in America.
Why we love Subiefest Midwest:
We love connecting with our community and advocating for a better tomorrow.
Why you should come to our booth:
Health and wellness start at home. Sunrun is the #1 Home Solar & Battery company in America. Come visit our booth and see how easy it is to make the switch to a solar-powered home.
What we're giving away at SFMW 2026:
Sunrun X Lego - SunRon's Storage & Solar Home Set
Tuners Worldwide
Vendor
About Tuners Worldwide:
Tuners Worldwide is a group dedicated to all things automotive, with an emphasis on keeping things fun for all ages while bringing the car community together.
Why we love Subiefest Midwest:
I love seeing a different variety of cars and meeting new people in the car community.
Why you should come to our booth:
We offer a large variety of Hot Wheels, Matchbox, and other brands of diecast cars including a variety of Subaru models as well as a large selection of other brands.
What we're giving away at SFMW 2026:
$200 Tuners Worldwide Gift Card
Company23
Vendor
About Company23:
Company23 is the leader in Subaru specialty tools, and is enthusiast owned. Our products are designed, manufactured and supported in the USA. Our tools are trusted around the world by professional factory service techs, engine builders, weekend warriors, and hobbyist mechanics.
Why we love Subiefest Midwest:
We love coming to WBM to meet our community, their builds and what they need to continue wrenching
Why you should come to our booth:
Come join us at the Company23 booth to talk all about servicing, building, and maintaining your Subaru. Plus a new product unveiling in addition to our displays!
What we're giving away at SFMW 2026:
$400 Gift Card
Coalition Autolab LLC
Vendor
About Coalition Autolab LLC:
Coalition Autolab LLC strives to provide the best experience in an automotive restyling shop. Our services include vinyl wrap, caliper wrap, paint protection film, headlight and taillight tint, and window tint. We work with the best brands in the industry to provide you with the best quality. Whether its your daily commuter or your weekend sports car, we treat every vehicle like it our own. Give us a call and we are more than happy to give you a free quote.
Why we love Subiefest Midwest:
This our first time coming to Subifest and we are excited to be apart of it.
Why you should come to our booth:
Come see Coalition Autolab at Subiefest Midwest 2026! We’re bringing custom automotive styling, premium vinyl wraps, PPF, window tint, and more to the show. Stop by our booth to check out our work up close, talk with our team, see what’s possible for your own build.
What we're giving away at SFMW 2026:
Gift Certificate for Free Window Tint Install
Turn In Concepts
Vendor
About Turn In Concepts:
Founded in 2005, Turn In Concepts has remained focused on a singular belief:
A fun car makes a life more fun. From street cars to race cars we’ll deliver what you need to make your life more fun, ultimately making your performance-related car dreams come true. Our first hand experiences and years of racing expertise coupled with our constant drive to innovate means you can rely on our services to ensure your car brings top-tier quality and thrill.
Why we love Subiefest Midwest:
Hanging out and meeting new enthusiasts.
Why you should come to our booth:
Come see the interesting custom builds we are working on.
What we're giving away at SFMW 2026:
$250 Gift Card
Subies of the Corn
Subaru Club
About Subies of the Corn:
Subies of the Corn exists to provide charitable outreach corresponding with the Subaru Love Promise®. Our focus is to provide fun and safe charitable events for Subaru Enthusiasts in the Chicago Southland area to the benefit of others. SOTC is a registered Illinois Non-Profit and a 501(c)(3) Charity.
Why we love Subiefest Midwest:
Subiefest is about bringing the Subaru Community together for a day filled with Subaru Activities.
Why you should come to our booth:
Join us and learn about how you can assist people with our mission of providing charitable outreach corresponding with the Subaru Love Promise®
What we're giving away at SFMW 2026:
Subies of the Corn Custom Epoxy Tumbler
FL4T SOCIETY
Subaru Club
About FL4T SOCIETY:
Fl4t Society is one of the largest Subaru groups in the midwest. Our group consists of over 1,300 members from all over Wisconsin and Illinois. Fl4t Society is like a family, we get together for a meet at least once a week. Our meets usually include but are not limited to coffee shop/restaurant pop-ups, group outings to places like bowling or mini-golf, larger events like local and out of state car shows, and fund-raising for example our annual Stuff-A-Subie event. We also bring our members together on social media and offer different contests, like our monthly cover photo contest and weekly top contributor contest. Fl4t Society members have a strong love for their cars and all things Subaru, from stock to fully built and everything in between.
Why we love Subiefest Midwest:
We love coming to Subiefest Midwest and supporting the community, as a club we strive to make sure we attend as many shows as we can with Subiefest being one of the largest shows!
Each year has been better then ever.
Why you should come to our booth:
**Free giveaways! 🎉**
Come hang with one of the Midwest's biggest Subaru communities! Meet fellow enthusiasts, check out our booth car, talk builds, and enjoy great conversations all day.
Whether you're stock, modified, or just love Subarus we'd love to meet you. 🤙
What we're giving away at SFMW 2026:
Custom FL4TSociety Subaru Package
Chitown Subarus
Subaru Club
About Chitown Subarus:
Since 2011, Chitown Subarus has quickly become one of the most popular and active Subaru enthusiast communities in the Midwest.
Out mission is to create a culture of community-oriented Subaru owners who go beyond just driving their cars. We encourage and empower members to get together and work with one another to accomplish greater feats not just within our own group, but within the rest of their communities.
Why we love Subiefest Midwest:
Subiefest Midwest brings so many Subaru enthusiasts from the surrounding states in one spot on one single day - it's just really cool to see.
Why you should come to our booth:
Our mission is to create a culture of community-oriented Subaru owners who go beyond just driving their cars. We encourage and empower members to get together and work with one another to accomplish greater feats not just within our own group, but within the rest of their communities.
What we're giving away at SFMW 2026:
2x Large Chitown Subarus Shirts (2 Winners)
