RTMG Performance is an automotive performance brand specializing in the design and production of tuning parts intended to enhance driving performance and enjoyment. Its catalog focuses heavily on Volkswagen Group vehicles, including Audi, Volkswagen, CUPRA, SEAT and Škoda models, with products organized by vehicle and model generation. The range covers engine, transmission, ignition, fuel and cooling systems, alongside accessories and apparel.

Engine offerings include turbochargers, billet intake manifolds, carbon-fiber air intakes, cylinder-head porting, engine internals, oiling components and diverter or blow-off valves. Transmission products include performance clutches, flywheels, differentials, DSG tuning kits and related cooling and repair components. RTMG also supplies ECUs, ignition coils, spark plugs, injectors, fuel pumps, intercoolers, water pumps and other supporting parts.

Featured products include upgraded intake systems, hybrid turbochargers and clutch solutions for specific vehicle applications. The website provides model-based product browsing, tuning kits, a software portal, partner information and customer support contacts. RTMG states that its products are backed by years of experience and are race-track proven