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Discover the revolutionary line of high-performance exhaust systems and specialized motorsport parts from F4U at Weld Racing Parts. Each exhaust and component is meticulously designed to deliver unparalleled performance on the track. Join the automotive elite and maximize your vehicle's potential with the quality and precision of F4U.
With over 25 years of experience, at F4U we have been passionately dedicated to the world of motorsport. Each day, our dedication and commitment drive us to reach new heights in manufacturing and developing competition parts across various categories.
At F4U, we firmly believe in innovation as the engine of progress. From conceptual design to final production, each part that leaves our facilities represents the culmination of years of research, development, and refinement.
We are proud to be recognized as a reliable partner in motorsport competition. Currently, we have the honor of supplying parts for the prestigious FIA RX2e Championship in collaboration with QEV Technologies.
At F4U, we are more than just a brand; we are a community of motorsport enthusiasts. Our shared passion for speed, the thrill of competition, and the constant desire for improvement unite us.
We invite you to join us on this exciting journey in the world of motorsport. Whether you are looking for high-performance parts for your competition team or simply share our passion for speed, you are welcome to the F4U family.
Reference: 111
Brand: F4U
High-performance stainless steel exhaust manifold for Opel Speedster. Designed with precision and made from premium stainless steel, this manifold is compatible with Tullet and the Z22SE engine. Its innovative design enhances exhaust flow, boosting power output and overall performance. Upgrade your Speedster with this manifold for a noticeable improvement...
Reference: 166
Brand: F4U
Mini cooper s r53 turbo type g25 (W11B16A) manifold designed to optimize gas flow and enhance your engine's performance. Made of 304L stainless steel, it ensures durability and a perfect fit. Compatible with W11B16A engines, this manifold is ideal for turbo type G25 applications, providing increased power and reliability in any setting.
Reference: 565
Brand: F4U
Opel Speedster OEM Z22SE Manifold made of 304L stainless steel for superior durability. Designed to maximize performance, it features precision TIG welding, 2 mm thick tubes, and a 10 mm flange ensuring a perfect fit. Competition-tested, it combines European quality and over 25 years of artisanal experience. Choose performance and reliability for your...
Reference: 687
Brand: F4U
Complete 2,36-inch exhaust system for Renault 5 GT Turbo, made of 304L stainless steel with a trumpet finish, homologated for passing the technical inspection in Spain. Designed to maximize engine performance, it optimizes gas flow and offers a sporty sound. Made in Spain by F4U with high-quality European materials and TIG welds for durability and...
Reference: 168
Brand: F4U
If you're looking for a Seat Panda or Marbella exhaust manifold, you've come to the right place. This manifold is designed to improve gas flow and enhance your engine's efficiency. Made with high-quality materials, ensuring durability and a perfect fit. If you want to boost the power and performance of your Seat Panda or Marbella, this manifold is the...
Reference: 632
Brand: F4U
Manufactured from high-quality stainless steel and TIG-welded, this exhaust system for the Renault 5 GT Turbo, part of the Special Tour de Corse Edition, features oval ports that maximize power delivery efficiency and reduce turbulence compared to the round ports found in other brands. Developed and tested on a dynamometer, it ensures a significant boost...
Reference: 841
Brand: F4U
Opel Speedster 2,5" Compressor Silencer made of high-performance stainless steel, designed for Z22SE engines and compatible with Tullet systems. This removable silencer allows the fiber to be replaced for easy maintenance. Manufactured with precision TIG welding, tested in competition, and optimized to enhance your engine's performance, ensuring...
Reference: 112
Brand: F4U
Opel Speedster 3" Compressor Silencer made of high-performance stainless steel, designed for Z22SE engines and compatible with Tullet systems. This removable silencer allows the fiber to be replaced for easy maintenance. Manufactured with precision TIG welding, tested in competition, and optimized to enhance your engine's performance, ensuring durability...
Reference: 167
Brand: F4U
If you're looking for a 124 exhaust manifold to improve your vehicle's performance, you've come to the right place. This manifold is designed to optimize the gas flow and enhance the efficiency of your engine. Perfect for those seeking to improve the sound and power of their exhaust. Made with high-quality materials, it guarantees durability and a perfect...
Reference: 399
Brand: F4U
Offer Pack for Renault 5 GT Turbo. Achieve savings with this pack that includes manifold, downpipe, and gooseneck with a 2" diameter, made of stainless steel in Spain. The parts are TIG welded for maximum quality and tested to optimize engine efficiency and increase power. Enhance engine response with this complete solution.
Reference: 352
Brand: F4U
2,36" exhaust pack for Renault 5 GT Turbo. Includes collector, downpipe, and goose neck made of high-quality stainless steel in Spain. Welded with TIG, tested to maximize engine efficiency and response. Perfect for engines over 180 horsepower. Enjoy a more efficient engine and dynamic driving.
Reference: 499
Brand: F4U
Offer Pack for Renault 5 GT Turbo that includes collector, downpipe, and 60mm swan neck in diameter. Manufactured in stainless steel in Spain, these exhausts offer durability and resistance. The pieces are welded with TIG for maximum quality, tested to optimize engine efficiency and increase power. The V-band technology provides a faster installation and...
