Harley Davidson Exhaust Torque Cones

1974 Suzuki GT750 Lemans.

Harley davidson exhaust torque cones. Exiting exhaust gasses are sometimes pulled back into the engine by descending piston before exhaust the valve closes. NRHS - High Performance for your Harley Twin Cam Evolution Sportster or Buell. A properly baffled exhaust will increase torque and backpressure and can be tuned to give you the best results for you.

A positive pressure wave in the pipe that interferes with cylinder fill if it arrives during overlap. Torque cones just control reversions from going back into the motor. Find the V-Factor Exhaust Port Torque Cones - 95115 at Dennis Kirk.

Anti-reversion torque cones eliminate backfire and pop in open pipes. Great for use with unbaffled exhaust systems that require some type of back pressure to run right. Torque cones may seem like an unnecessary extra but the truth is that there are many reasons to consider adding them to your Harley-Davidson motorcycle.

This is a video of our Harley Davidson exhaust port torque co. Drag pipes have no backpressure and as a result you will lose from 10-15 of fuel etc. Kuryakyn 9155 Motorcycle Exhaust System Accessory.

Raise the exhaust pipes back up and thread the head bolts and rear mounting bolts into position. By installing torque cones the correct amount of torque and back pressure is achieved without spoiling the look and sound of running straight pipes. Anti-reversion cones are a device you put into your head pipes near the cylinder head to discourage reversion ie.

Help to reduce exhaust reversion. Exhaust gases in the cylinder contaminate the mixture of fuel and clean air and significantly reduce engines performance. Made from stainless steel wire mesh and impregnated with graphite for a positive seal.