Redthunder E4 2:1 Softail Full System

Redthunder E4 2:1 Softail Full System

M8 Softail E4 Full-System 2:1. For models from 2018 to present. Euro 4 homologation including catalysts and certification. Available in Satin and Cerakote Black.

This is a 2 in 1 stepped header starts with a 1 3/4" tube on the head, with a smooth stepped transition to a 2 " tube all the way into the merged collector. 

The 2 in 1 collector merges into the silencer with a 2 1/4 tube.
This pipe is meant to generate a great balance between torque and horsepower.