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The Untd. Performance Air Cooler / Intercooler Kit for the Audi B9 RS4/RS5 2.9T EA839 is engineered for maximum cooling efficiency and reliability under high boost conditions. Featuring a high-capacity core and optimized flow design, it reduces intake air temperatures to maintain consistent power delivery. Built with premium materials for durability, this kit supports both stock and tuned applications. Perfect for enthusiasts seeking improved performance and heat management.
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Unleash the full potential of your EA839-powered Audi with the Untd. Performance Catless Downpipe for B9 S4, S5, and SQ5. Built to eliminate factory restrictions and maximize exhaust flow, this downpipe transforms your 3.0T V6 into a sharper, harder-pulling performance machine. Expect faster turbo spool, a more aggressive exhaust tone, and real-world power gainsโperfect for enthusiasts running tunes, upgraded intakes, or chasing maximum performance on and off the track.
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Unleash the full fury of your twin-turbo 2.9L V6 with the Untd. Performance Catless Downpipe for the Audi B9 RS5. Built to eliminate the most restrictive part of your exhaust system, this high-flow downpipe unlocks sharper throttle response, quicker turbo spool, and an aggressive exhaust tone that transforms your RS5 into the track-ready monster it was meant to be. If youโre chasing serious performance and raw sound, this is your first step.
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Unlock the true potential of your Audi B9 S4 or S5 with the Untd. Performance Catless Downpipe for the 3.0T engine. Designed to eliminate the restrictive factory catalytic converter, this catless downpipe allows for maximum exhaust flow, reducing turbo lag, improving throttle response, and delivering more power throughout the rev range. Ideal for enthusiasts pushing the limits of their Audi, whether for street use or high-performance track builds.
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Take your EA839-powered Audi B9 S4 or S5 to the next level with the Untd. Performance Catless Downpipe w/ Heat Shield. Designed for maximum power and thermal management, this upgrade removes the restrictive factory catalytic converter and adds integrated heat shielding for cooler engine bay temps and reliable long-term performance. Whether you’re building a weekend weapon or prepping for the track, this downpipe is the foundation of your power setup.
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Unlock the true performance of your twin-turbo V6 with the Untd. Performance Catless Downpipe w/ Heat Shield for the Audi B9 RS4 and RS5. Engineered for maximum flow and thermal efficiency, this premium upgrade replaces the restrictive factory catalytic converters with a high-velocity, shielded system that delivers raw power, quicker spool, and an aggressive exhaust noteโall while managing heat under extreme driving conditions.
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Unleash the full potential of your Audi B9 RS4 or RS5 with the Untd. Performance Catted Downpipe w/Shield. Designed for the 2.9T V6 engine, this downpipe replaces the restrictive factory components to enhance exhaust flow, increase turbo efficiency, and deliver a more aggressive exhaust noteโall while maintaining emissions compliance. With integrated heat shielding for optimal durability, this downpipe is the ideal upgrade for enthusiasts seeking peak performance and a refined sound from their Audi.
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Take your Audi B9 A4/A5 2.0T or S4/S5 3.0T to the next level with the Untd. Performance Complete Charge Pipe Kit. This high-performance charge pipe kit is designed to replace the restrictive factory components, offering improved airflow and greater durability for both stock and tuned applications. Whether youโre looking to increase power, reduce turbo lag, or enhance throttle response, this charge pipe kit is engineered to support the performance needs of your turbocharged Audi.
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When power demands go up, cooling needs to keep up. The Untd. Performance Evo1 2.5″ Intercooler is purpose-built to deliver cooler, denser air to your turbocharged engineโwhether you’re pushing your Audi B9 2.0T or 3.0T with a tune, upgraded turbos, or just looking for a reliable performance edge. With increased core volume, optimized flow, and direct-fit engineering, this front-mount intercooler is the perfect upgrade for any enthusiast chasing consistent, repeatable performance.
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