The Cummins X15 /E5 Fuel Wire is a high-quality part designed specifically for your cummins fuel rail. To provide better performance horsepower and torque. You certainly will notice the difference. If you prefer one that hasn’t been painted let me know in cheek out. COLOUR OPTIONS Default =Red Cummins Beige Black Please make sure that when you purchase a fuel rail plug make sure that it is exactly the the same on your engine. This will not fit the x15 with the flat plug
