http://www.motorcycle-usa.com/ Top 10 Article Headlines Dirt Bike Exhaust Review Copyright 1996-2011 Motorcycle USA, LLC. All rights reserved. CCU RSS Feed V1.0 en-us Tue, 14 Feb 2012 07:49:26 GMT http://www.motorcycle-usa.com/393/11622/Motorcycle-Article/Pro-Moto-Billet-Spark-Arrestor-End-Cap-Review.aspx http://www.motorcycle-usa.com/393/11622/Motorcycle-Article/Pro-Moto-Billet-Spark-Arrestor-End-Cap-Review.aspx JC Hilderbrand Wed, 23 Nov 2011 16:30:00 GMT Making your dirt bike legal for off-road riding can be an expensive hassle. Pro Moto Billet makes a simple spark arrestor for stock exhausts and also lowers decibels. http://www.motorcycle-usa.com/393/10470/Motorcycle-Article/Yoshimura-RS-4-Comp-Slip-On-Exhaust-Review.aspx http://www.motorcycle-usa.com/393/10470/Motorcycle-Article/Yoshimura-RS-4-Comp-Slip-On-Exhaust-Review.aspx Press Release Thu, 07 Jul 2011 17:00:00 GMT We test Yoshimura’s latest RS-4 slip-on style exhaust for the new generation Yamaha YZ450F dirt bike. Find out how this muffler performs in this gear review.