The outer chamber in the Powerbomb allows the air to expand, cool and ramp back up at a higher velocity. Additionally, the PowerBomb is a "pre-muffler" of sorts which helps to lower the bikes sound output by providing more sound absorbing surface area for the sound medium (exhaust gases).
Designed for use with FMF mufflers and not guaranteed to fit other brands of mufflers. This head pipe Requires Stock pipe frange.. Please Note: we use a generic photo for our listing..This item is similar to the photo and has the same appearance may vary depending on your specific year and model. The item "FMF Powerbomb Exhaust Head Pipe Header Honda Xr650L Xr 650l 93-17 XR600R" is in sale since Monday, April 30, 2018. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Exhausts & Exhaust Systems\Pipes". The seller is "bidby" and is located in Oklahoma City, Oklahoma. This item can be shipped worldwide.