Has anyone modified the stock exhaust on an Apex

Iceman57

TY 4 Stroke Guru
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If all you get is a 2 to 3 HP gain and louder sound with aftermarket exhaust for about $500 then it seems worth while to see if the stock exhaust can be modified. Anyone checked into this?
 
Good luck.

I have only seen louder with no gains for the gutted stockers.

I have White Knuckle Performance AP-3 on mine now.

lot lighter also
 


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