As it states at the bottom of the original post total cost of parts was about $85. So far the 2nd muffler hanger isn't needed, but don't mount the right side one too close to the muffler as it will melt the rubber in the hanger. Ask me how I know that........ I still have not felt that there is excessive heat or backpressure created by this mod. My radiator fan comes on and goes off about the same as my buddie's RZR and I do not lack for power. I have about 500 miles on this muffler mod and am loving it!