How many discs came in your WB "Pure Polaris" Predator pipe?
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How many discs came in your WB "Pure Polaris" Predator pipe?
Rob, the reason for 5 disc is the stock head pipe is to large, you have to take out some disc to get proper back pressure. sounds weired but it works. I tested this theory at the drag strip, it does make a different.
The thing slowed down when i opened up the exhaust. Gary @ superbike shops discovered this info on the dyno.
The thing slowed down when i opened up the exhaust. Gary @ superbike shops discovered this info on the dyno.