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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: 584
Brand: F4U
Enhance Your Exhaust Performance with Our High-Quality X-Pipe Discover Weldracingparts' X-pipe, crafted to deliver exceptional exhaust performance. Pressure Balancing: Our unique design balances pressure between cylinders, enhancing exhaust efficiency. Flow Optimization: Thanks to high-quality construction and precise TIG welding, it ensures optimal...
Reference: 400
Brand: F4U
The Swan Neck R5 GT Turbo stock flange 2" is perfect for those looking to boost performance while maintaining the vehicle's original authenticity. Made from stainless steel, it ensures durability and a perfect fit. Compatible with the stock flange, it is designed to optimize exhaust flow for the R5 GT Turbo, delivering superior performance and longevity.
Reference: 360
Brand: F4U
First pipe Renault 5 GT Turbo 50mm made of stainless steel, with a trumpet finish and no silencer, designed for optimal performance. With a 50mm diameter, it improves the gas flow, which increases power and sound of your engine. Ideal for those looking for an aesthetic upgrade and performance boost for their Renault 5 GT Turbo. Get the perfect first...
Reference: 359
Brand: F4U
Middle section Renault 5 GT Turbo 50mm made of stainless steel 304L with a no silencer finish. Its 50mm diameter improves the gas flow, resulting in an increase in power and performance of the engine. Perfect for those looking for a sportier sound and a quicker engine response. Ideal for exhaust modification projects in Renault 5 GT Turbo. Optimize your...
Reference: 316
Brand: F4U
Swan neck for R5 GT Turbo in stainless steel, designed with a stock flange and a diameter of 60 mm. This component is perfect for maintaining the original compatibility of the exhaust system, ensuring a precise fit and excellent durability. Made in Europe with high-quality materials, it is ideal for those seeking a reliable and professional solution for...
Reference: 393
Brand: F4U
First section Renault 5 GT Turbo 60mm made of stainless steel 304L with 1.5mm thickness and OEM flange. This 60mm exhaust section is designed to improve exhaust gas flow, optimizing engine performance and boosting the power of your Renault 5 GT Turbo. Ideal for those looking for better vehicle efficiency and superior durability.
Reference: 984
Brand: F4U
First section Renault 5 GT Turbo 2,5" made of stainless steel 304L with 1.5mm thickness and OEM flange. This 60mm exhaust section is designed to improve exhaust gas flow, optimizing engine performance and boosting the power of your Renault 5 GT Turbo. Ideal for those looking for better vehicle efficiency and superior durability.
Reference: 141
Brand: F4U
Boost your Renault 5 GT Turbo's performance with this stainless steel 304L downpipe. Lightweight and durable, it reduces weight by 0.5 kg compared to other models and optimizes gas flow for increased engine power. Handcrafted in Europe. Ensure you get the original, available only at Weldracingparts. Don’t settle for low-quality imitations!
Reference: 394
Brand: F4U
Mid section Renault 5 GT Turbo 60mm made of stainless steel 304L, no silencer. This 60mm exhaust section is designed to optimize exhaust gas flow, improving engine performance and increasing the power of your Renault 5 GT Turbo. Made to withstand high temperatures and demanding conditions, it's perfect for those looking to improve their vehicle's...
Reference: 494
Brand: F4U
First section Renault 5 GT Turbo 63,5mm V-band made of high-resistance 304L stainless steel. With a 63,5mm diameter, it is specifically designed for highly tuned engines that require an optimized exhaust flow to maximize power. Its V-band connection allows for quick, secure installation without leaks, ensuring superior performance in high-performance...
Reference: 56
Brand: F4U
Enhance the performance of your Renault 5 GT Turbo with our 2.5" (63.5 mm) V-band downpipe made from 304L stainless steel. This lightweight design optimizes exhaust flow, boosts power, and offers easy installation and maintenance. The V-band system ensures a leak-free connection. High-quality product, made in Europe. Boost your car’s efficiency and power...
Reference: 498
Brand: F4U
Swan neck for R5 GT Turbo made of stainless steel with a V-band connection for quick and secure fitment. Designed with a diameter of 60 mm, this component improves exhaust gas flow and is ideal for engines with increased performance. Perfect for those seeking reliability, easy installation, and compatibility in custom projects.
