T Mack 1 - FSO
Serious Thumper Alliance Member
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sold 2001 LS650 for a 1986 XLH1100
Posts: 2919
Emmaus,Pa
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Changing the muffler to straight pipe or free flowing muffler, It would be highly advisable to make adjustments to the fuel mixture.
Fuel to Air mixture is a balancing act. Let more air in (free flowwing mod's) then you should get some more fuel in too.
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