Sema 2025

Best Sema show builds

R44 Performance and Tom Wrigley Performance G87 M2

UK-based R44 Performance and Tom Wrigley Performance have collaborated to create what is being touted as the world's most powerful G87 BMW M2, an impressive feat in the realm of automotive engineering. This project, which has advanced through the years 2024 and 2025, represents a significant evolution in performance tuning and modification, showcasing the capabilities of both companies in enhancing a high-performance vehicle.

Nearly every component of the BMW M2 has undergone meticulous alteration or upgrade, reflecting a commitment to pushing the boundaries of performance. One of the most noteworthy modifications is the conversion to an xDrive all-wheel-drive (AWD) system, which not only improves traction and handling but also enhances the overall driving experience. This conversion is particularly significant for a car that is already known for its dynamic performance, allowing for better power distribution and stability, especially under high-speed conditions.

The heart of this extraordinary vehicle lies in its fully built engine, which retains the original 3.0-liter displacement but has been extensively re-engineered to maximize power output and efficiency. A standout feature of this engine is the installation of a Precision next-generation R 73.9-85 turbocharger, which plays a crucial role in boosting the car's performance metrics. This advanced turbocharger is designed to provide a substantial increase in horsepower and torque, enabling the vehicle to achieve remarkable acceleration figures.

In terms of performance, the G87 BMW M2 has reached astonishing benchmarks, with a zero to 60 mph time of just 1.67 seconds. This rapid acceleration places it among the elite in the automotive world, demonstrating not only the effectiveness of the modifications but also the engineering prowess behind them. Furthermore, the car completes a quarter-mile in an impressive 8.248 seconds while reaching speeds of 164.4 mph, showcasing its capabilities on both the street and the track.

Overall, the collaboration between R44 Performance and Tom Wrigley Performance has resulted in a vehicle that not only meets but exceeds the expectations of performance enthusiasts. The combination of advanced engineering, innovative technology, and a relentless pursuit of speed has culminated in a BMW M2 that stands as a testament to what can be achieved when expertise and passion converge in the automotive industry. This project is not just about creating a powerful car; it represents a significant milestone in the ongoing evolution of performance vehicles, setting new standards for what enthusiasts can expect from future modifications.

The 'Brataroo' Subaru

The Hoonigan Gymkhana video series, which has garnered a massive following for its exhilarating and visually stunning automotive feats, is set to make a highly anticipated comeback this December. This new installment promises to captivate audiences with Australia serving as a breathtaking backdrop, showcasing its diverse landscapes, from sun-drenched beaches to rugged outback terrains. The series will feature the renowned motorsports athlete Travis Pastrana, who takes on the role of the driver, stepping into the shoes of the late Ken Block, whose innovative spirit and driving prowess defined the previous episodes of this iconic series.

At the heart of this thrilling new chapter is the star vehicle, affectionately dubbed the 'Brataroo.' This unique machine is based on the classic Subaru BRAT, a vehicle that has become a cult favorite among car enthusiasts for its quirky design and off-road capabilities. The Brataroo has been meticulously transformed into a lightweight, widebody powerhouse, engineered for high-performance driving and precision handling.

Equipped with a rallycross-inspired boxer turbo engine, this vehicle is not just about aesthetics; it boasts a formidable performance pedigree. The engine, which has been developed to deliver a staggering 670 horsepower, is capable of revving beyond an impressive 9500 rpm, ensuring that it can handle the most demanding driving conditions with ease. The engineering prowess behind this vehicle is further highlighted by the inclusion of a World Rally Championship (WRC)-spec roll cage, which provides enhanced safety and structural integrity while allowing for extreme maneuvers that are characteristic of the Gymkhana series.

The Brataroo was brought to life by Vermont SportsCar, a company renowned for its expertise in building high-performance rally cars for Subaru of America. Their commitment to quality and performance is evident in every aspect of the Brataroo's design and construction. This vehicle not only embodies the spirit of adventure and innovation that the Gymkhana series is known for but also pays homage to the legacy of Ken Block, who inspired countless fans with his daring stunts and automotive creativity.

As fans eagerly await the release of this new episode, the combination of Travis Pastrana's fearless driving skills and the cutting-edge technology of the Brataroo promises to deliver a spectacular showcase of automotive excellence, pushing the boundaries of what is possible on four wheels. The anticipation surrounding this comeback is palpable, and it is certain to deliver a thrilling experience for both longtime fans of the series and newcomers alike.

Forsberg Racing GT-Z Race Car

Forsberg Racing has embarked on an ambitious project to customize the Nissan Z Nismo, preparing it for a future entry into the highly competitive Gridlife GT, a touring car series that emphasizes the importance of power-to-weight ratio. This thrilling series is set to make its debut in 2026, and Forsberg Racing aims to create a formidable contender that showcases both performance and cutting-edge technology.

The customization process has involved an extensive selection of Nismo components, each chosen for their ability to enhance the car's performance and handling capabilities. Among these components are prototype wheels specifically designed to reduce weight while maintaining structural integrity and providing optimal grip on the track. These wheels not only contribute to the overall aesthetics of the vehicle but also play a crucial role in improving acceleration and cornering dynamics. To further refine the vehicle's handling characteristics, Forsberg Racing has equipped the Nissan Z Nismo with a high-performance coilover suspension kit.

This kit allows for precise adjustments to ride height and damping settings, enabling drivers to tailor the suspension setup according to their preferences and the specific demands of different racing circuits. In addition, adjustable suspension arms have been incorporated to provide enhanced alignment options, ensuring that the car can achieve the best possible contact with the road surface for superior traction.

Safety is paramount in motorsport, and Forsberg Racing has prioritized this aspect by installing a racing harness that secures the driver firmly in place during high-speed maneuvers. This harness not only enhances safety but also allows the driver to focus entirely on performance without the distraction of excessive movement within the cockpit.

The exhaust system has also received significant attention, with the installation of a high-performance cat-back exhaust. This system not only improves engine efficiency by facilitating better airflow but also enhances the auditory experience, providing a thrilling sound that resonates with motorsport enthusiasts. In terms of technology, the Nissan Z Nismo is equipped with a state-of-the-art MoTeC dash. This advanced display provides real-time data on vital performance metrics, allowing the driver to monitor everything from engine temperature to lap times. Such data is crucial for making informed decisions during races, and it empowers the driver to push the car to its limits while maintaining optimal performance. Aerodynamics play a crucial role in high-speed racing, and Forsberg Racing has integrated APR Performance aerodynamic parts into the design of the Nissan Z Nismo.

These components are meticulously engineered to enhance downforce and reduce drag, ensuring that the car remains stable at high speeds while maximizing cornering capabilities. To complement the performance enhancements, the vehicle features a Z1 competition big brake kit. This braking system is designed to provide exceptional stopping power, which is essential for navigating tight corners and ensuring quick deceleration during races. The combination of larger rotors and high-performance calipers significantly improves the car's braking efficiency, providing drivers with the confidence needed to push their limits. At the upcoming SEMA Show, attendees will have the unique opportunity to engage with the Nissan Z Nismo in an innovative way.

A Podium 1 racing simulator will be available, allowing participants to virtually experience the GT-Z race car. This simulator provides an immersive racing experience, enabling users to feel the thrill of driving a high-performance vehicle while gaining insights into the car's capabilities and handling characteristics. Through this detailed customization, Forsberg Racing is not only preparing the Nissan Z Nismo for the Gridlife GT series but also setting a benchmark for innovation and performance in the world of motorsport. The combination of advanced technology, safety features, and high-performance components underscores Forsberg Racing's commitment to excellence as they gear up for the challenges that lie ahead in 2026.

Hayden Macklin's 280Z

Since the age of 13, Hayden Macklin has dedicated an impressive amount of time and effort to the restoration and customization of his beloved 280Z, a classic sports car that has become a significant part of his life and identity. Over the years, this project has evolved into a remarkable showcase of automotive craftsmanship and personal expression.

The exterior of the 280Z features a custom Carbon Signal KamaruZ body kit, which not only enhances the car's aerodynamics but also gives it a striking and aggressive appearance. This body kit is meticulously designed to complement the car's classic lines while providing a modern twist, showcasing Hayden's keen eye for design and performance. The vehicle is equipped with an advanced air ride suspension system, allowing for adjustable ride height and improved handling dynamics, making it suitable for both spirited driving and daily use.

Under the hood lies the heart of the beast—a powerful L28ET turbo engine. This engine is known for its robust performance and potential for tuning, making it a popular choice among enthusiasts. Hayden has invested considerable effort into optimizing the engine's performance, ensuring that it delivers exhilarating power while maintaining reliability. The unique Takeyari-style exhaust tips not only contribute to the car's distinctive look but also produce a captivating exhaust note that resonates with automotive aficionados.

Stepping inside the 280Z reveals an interior that is adorned with a collection of rare and thoughtfully chosen components. The Kameari tachometer stands out as a centerpiece, providing precise RPM readings with a vintage aesthetic that perfectly complements the car's heritage. The BRE (Bob Bondurant Racing Enterprises) steering wheel adds a touch of motorsport flair, enhancing the driving experience with its ergonomic design and improved grip. Additionally, the Lonely Driver pedals offer a blend of style and functionality, ensuring that every interaction with the car is both comfortable and engaging. The Star Road shifter knob further elevates the interior, providing a tactile and visually appealing element that resonates with the overall theme of the build.

One of the most captivating features of this 280Z is the beautiful Japanese artwork that is unveiled when the hood is opened. This artwork not only serves as a stunning visual element but also reflects Hayden's appreciation for Japanese culture and automotive history. It transforms a routine maintenance task into an experience filled with pride and nostalgia, showcasing the deep connection between the car and its owner.

In summary, Hayden Macklin's journey with his 280Z is a testament to his passion for automotive engineering and design. Each modification and enhancement tells a story, reflecting years of hard work, dedication, and a love for the art of car building. This project is not just about a car; it represents an ongoing journey of creativity, skill, and personal growth that continues to inspire those who encounter it.

Kellymoss GT4R

Porsche enthusiasts and customizers, Kellymoss, have taken the iconic GT4 RS Clubsport to an entirely new level by creating the GT4R, specifically designed for dedicated track-day fans and serious racers who are in pursuit of "the highest-performing, most connected version of the GT4 RS Clubsport available outside of a sanctioned race series," as emphasized by Kellymoss co-owner, Victoria Thomas. This remarkable vehicle is not just a modification; it represents a commitment to enhancing the driving experience for those who crave speed, precision, and a deep connection with their car on the racetrack.

The modifications made to the GT4R are extensive and meticulously engineered to elevate performance. One of the standout features is the titanium exhaust system, which includes a muffler delete. This not only reduces weight but also enhances the sound profile of the vehicle, delivering a more aggressive and exhilarating auditory experience that is sure to excite both the driver and spectators alike. The sound of the engine is an essential part of the driving experience, and the GT4R ensures that this aspect is nothing short of spectacular.

In addition to the exhaust modifications, the GT4R boasts updated aerodynamic components that have been designed to optimize airflow and downforce. These enhancements are crucial for improving stability and handling at high speeds, allowing the car to cut through the air more efficiently and maintain traction during aggressive maneuvers on the track. The attention to aerodynamic detail underscores Kellymoss's dedication to performance and their understanding of what serious racers need from their vehicles.

Another significant aspect of the GT4R is its lightweight carbon-fiber body kit, which plays a vital role in reducing the overall weight of the car. This reduction in weight translates directly into improved acceleration, braking, and cornering capabilities, making the GT4R a formidable competitor on the racetrack. The use of carbon fiber not only contributes to performance but also adds a modern aesthetic appeal, showcasing the advanced engineering that goes into each custom build.

Furthermore, for those seeking an even more tailored driving experience, Kellymoss offers an optional fully customized rear suspension. This bespoke suspension system can be fine-tuned to meet the specific preferences and requirements of the driver, allowing for adjustments that can enhance handling characteristics and ride quality. Such customization ensures that each GT4R can be uniquely suited to the individual driving style, whether it be for competitive racing or spirited track days.

The GT4R by Kellymoss is a testament to the brand's expertise in Porsche customization and their understanding of the needs of track enthusiasts. With its combination of advanced modifications, including a titanium exhaust system, enhanced aerodynamic features, a lightweight carbon-fiber body, and customizable suspension options, the GT4R stands as a pinnacle of performance engineering. It is designed not only to meet but to exceed the expectations of those who are passionate about racing and the exhilarating world of track days.

'Sanja' Ford Mustang GT350

This GT350, which proudly belongs to and has been meticulously customized by Gary Patterson, a dedicated car enthusiast hailing from the picturesque town of Greensburg, Kentucky, showcases a unique blend of classic and contemporary design elements that pay homage to the rich heritage of American muscle cars. One of the most striking features of this vehicle is its side profile, which is reminiscent of the iconic 1967 Mustang. This classic silhouette not only evokes nostalgia among car aficionados but also serves as a testament to the timeless appeal of the Mustang lineage.

In addition to the side profile, the taillights of this GT350 have been carefully crafted to mirror those of the 1967 model, further enhancing its classic aesthetic. The design choices reflect a deep appreciation for automotive history while incorporating modern performance enhancements. The rear wheel-well vents are another standout feature, drawing inspiration from the high-performance Ferrari 812 and the legendary Ford GT. These vents not only contribute to the car's aggressive stance but also serve a functional purpose, improving airflow and cooling for the rear brakes and tires during spirited driving.

To ensure that this customized GT350 performs at the highest level, Gary Patterson has invested in a comprehensive aerodynamic package that is nothing short of impressive. This package includes a meticulously designed front splitter, which helps to reduce lift at high speeds, and canards that further enhance downforce, providing improved stability during cornering. The rear wing is also a critical component of this aerodynamic setup, designed to maximize downforce and enhance traction on the track.

Moreover, the car is equipped with a well-engineered diffuser that works in conjunction with the front elements to streamline airflow beneath the vehicle, reducing drag and improving overall efficiency. Each component of the aerodynamic package has been thoughtfully integrated to not only enhance the vehicle's performance but also to maintain a cohesive and striking visual appeal.

To validate the effectiveness of these aerodynamic enhancements, the entire package was subjected to rigorous testing at the A2 Wind Tunnel located in Mooresville, North Carolina. This state-of-the-art facility is renowned for its advanced testing capabilities, allowing engineers and designers to analyze airflow and make data-driven adjustments to optimize performance. The results from the wind tunnel testing have provided invaluable insights, ensuring that this GT350 not only looks stunning but also performs exceptionally well on both the road and the racetrack.

Gary Patterson's customized GT350 is a remarkable fusion of classic design and modern engineering, showcasing features that pay tribute to the past while embracing the future of high-performance automobiles. The attention to detail in both aesthetics and aerodynamics reflects a passion for automotive excellence, making this vehicle a true standout in the world of custom cars.

Nick Bryduck’s Mk2 GTi

Nick Bryduck’s Golf is no ordinary Mk2 GTI; it has been transformed into a remarkable machine that showcases advanced engineering and performance enhancements. Under the hood lies a Schimmel Performance-built, turbocharged, 3.2-litre VR6 motor sourced from the Mk4 R32, a powerhouse known for its robust performance and thrilling driving experience. This engine is capable of handling an astonishing 1,000 horsepower, a figure that speaks volumes about its potential on the track or the street. However, Bryduck has opted for a more conservative tuning approach, ensuring that the vehicle remains practical and manageable for daily driving. This balance between raw power and usability is a testament to Bryduck's thoughtful approach to automotive performance.

Patience Metal Fabrication, a reputable fabrication shop located in Brooklyn Center, Minnesota, played a crucial role in bringing Bryduck's vision to life. They executed the intricate fabrication work required for this project, which includes the installation of a meticulously designed roll cage that meets SCCA (Sports Car Club of America) approval standards. This roll cage not only enhances the safety of the vehicle but also adds structural integrity, allowing the car to handle the rigors of high-performance driving. Additionally, the interior of the Mk2 GTI has been tastefully upgraded with custom plaid upholstery, which pays homage to the classic GTI aesthetic while providing a modern twist. This attention to detail in both safety and style reflects Bryduck's commitment to creating a vehicle that is not only powerful but also visually appealing and comfortable for everyday use.