Originally Posted by Voony

Are these Spitfires'?

Originally Posted by Mr. Rowdy

One excellent way to add a little more roll on torque is to make some lollipop baffles for the drags. Take a good sized flat washer and weld it to a 1/4" screw, drill a hole in an inconspicuous place and put the lollipop inside the pipe with a lock nut on the exterior. You can turn them to increase or decrease back pressure. They don't change the sound much if any but do add a considerable amount of roll on snap. My pipes aren't equal length so I keep the baffle in the short pipe "closed" and the longer pipe at a 45 degree angle.