51Lu%2B-M5irL._SL160_1

08-10 POLARIS RANRZR800: Big Gun TFI Power Box

08-10 POLARIS RANRZR800: Big Gun TFI Power Box The technology behind the Big Gun TFI is that it functions like a carburetor. It takes the knowledge and experience that many riders have and converts it to a fuel injection interface. The TFI interface makes it easy to tune for different modifications. The TFI is to…

51Lu%2B-M5irL._SL160_

09-11 POLARIS SPORTSX85P: Big Gun TFI Power Box

09-11 POLARIS SPORTSX85P: Big Gun TFI Power Box The technology behind the Big Gun TFI is that it functions like a carburetor. It takes the knowledge and experience that many riders have and converts it to a fuel injection interface. The TFI interface makes it easy to tune for different modifications. The TFI is to…