V-Factor Exhaust Port Torque Cones For Big Twin & Sportster

Description

Weight: 0.21 Improves power by increasing the exhaust gas velocity Helps to reduce exhaust reversion Simple installation requiring no permanent modification Great for use with unbaffled exhaust that require some type of back pressure to run right CNC machined with precise angles for maximum effect Extra exhaust port gaskets are not required V-FACTOR Steel Cone Pair Fits all Evolution models, all years & Twin Cam 1999/Later