Trinity Racing has been offering products and services that create horsepower for the off-road industry since 1978. With 36 Years of incredible success, their new sole focus is to manufacture exhaust systems, big bore kits, intake systems, and turbo systems for the ATV and UTV industry. Trinity Racing's commitment is to provide superior customer service and produce the best products on the market. On-the-fly air/fuel tuning programmer. Pre-programmed and tuned for Trinity Racing exhaust. Plug-in technology for easy installation. Push button interface. No CPU (computer) needed. Fully adjustable computer compatibility for ultimate tuning and personalization. One year warranty. Note: Tuned for Trinity Racing Stage 5 Exhaust.