BIG GUN Exhaust Rev Box for Yamaha ATV/UTV - Part No. 40-R19A

Increases overall RPM limit
Advanced timing curve
Easy direct plug in replacement to stock CDI box
6 Month Limited Warranty
Expertly crafted from premium materials
Quality design and workmanship
Durable construction for long service


Rev Box by Big Gun®. If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve.

Enhance your Yamaha ATV or UTV with the BIG GUN Exhaust Rev Box, part number 40-R19A. Designed to optimize engine performance and improve throttle response, this rev box provides a significant upgrade over stock components. Crafted with precision, it ensures a reliable fit and consistent operation, making it an excellent choice for riders seeking increased power and responsiveness. The durable construction withstands harsh riding conditions, providing long-lasting performance for your off-road adventures. Easy to install, this rev box seamlessly integrates with your Yamaha vehicle, delivering noticeable improvements in acceleration and overall engine efficiency. Whether you're upgrading for racing or recreational riding, the BIG GUN Rev Box is a trusted upgrade to maximize your ATV or UTV's capabilities.

Features:

• Optimizes engine performance and throttle response

• Designed specifically for Yamaha ATV and UTV models

• Durable construction for harsh off-road conditions

• Easy installation with a reliable fit

• Enhances acceleration and overall engine efficiency