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I just switched to supertrapp 4" mufflers on my Road Glide and want to know what is the optimum disc setup. I currently have 16 discs on the right side and 6 one the left but it seems to really restrict the flow because I had to go down one jet size to prevent the plugs from fouling. Do I go to more discs or an open end cap on the right side? One other item, the engine is 95" with TW44 cams and head work.


thanks
 

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Open end caps ..both sides...10-12 discs...both sides
 

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hammmitc said:
I just switched to supertrapp 4" mufflers on my Road Glide and want to know what is the optimum disc setup. I currently have 16 discs on the right side and 6 one the left but it seems to really restrict the flow because I had to go down one jet size to prevent the plugs from fouling. Do I go to more discs or an open end cap on the right side? One other item, the engine is 95" with TW44 cams and head work.


thanks
You have it right... on my 98 I went to 18 on the right 6 on the left. I had Woods tw6hg and sert and got great performance..Call Bruce Shultz at the customer support #..
 
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