Big Gun 08-19 Suzuki RM-Z 450 Power Box

If you've added an aftermarket exhaust to your 2008-2019 Suzuki RM-Z 450, you'll want to make sure your fuel injection system is set up to take full advantage of the improved airflow. The Big Gun TFI Power Box is designed to do just that, making adjustments to your throttle mapping and fuel delivery for a noticeable performance boost. It's a straightforward way to get more out of your engine, especially in the mid-range where you often need it most.

This module uses third-generation technology and is built to be durable, with rugged construction and weather-resistant seals to handle the demands of off-road riding. You don't need a computer to make adjustments; it has integrated buttons right on the faceplate, making it easy to fine-tune the EFI on the fly. It's a plug-and-play unit, meaning it works alongside your stock ECU map without interfering with it, and it installs in just minutes. This is a popular choice for riders looking for an improved throttle response and smoother power delivery after installing a new exhaust.