Overview: Helpful to protect from electric discharge, as electric discharge from car body isabsorbing to the ground throughearth-line. Helpful to eliminate a noise of wirelessphone & to improve radio, sound amp; monitor of TV together with this goods. Easier control & use. Features 1. Helpful to protect from electric discharge, as electric discharge from car body is absorbing to the ground through earth-line.2. Helpful to eliminate a noise of wireless phone & to improve radio. Sound amp; monitor of TV together with this goods. Easier control & use. How to install 1. Put the band of catcher earth on the muffler at right position.2. Tighten the bolt with drive. Notice In case you attach it at the tip part of muffler. It might be removed from the muffler. So you are requesteied the attach it in the middle of muffler. Be sure to screw the bit to tighen. Specification: Dimensions: 440 X 65 X 30 mm Weight: