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Drilled out my stock mufflers

3K views 11 replies 9 participants last post by  lundboy1 
#1 ·
I have a 2012 rgu that came with the cheap screaming eagle slip ons I did not like how quite Thay are the guy I bought it from gave me the stock pipes which I think looks better . So I went to Home Depot and pick up a 1 3/4 in. Hole saw bit drilled out the stamped steel end the baffle is still in there . It sounds great very low bass rumble I still have the cat in the head pipe for now. Dose anybody know how the performance might be???
 
#2 ·
No change in performance unless there is more air coming in and out. AC would need to be changed to see improved performance. Just louder now.
 
#6 ·
Yeah would like to see a video or detailed instructions. I've been looking for some slip on's myself and thought why not just drill out the oem slip on's. but I have not clue what needs to be down for that.


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#12 ·
I used a plasma cutter on mine .... 15 seconds per cut ... It's gonna make ya say wow !!! That's better .... But you might get some deceleration popping .... I did but I've got a set of slips now . If I did it again I'd leave the packing in there and just take out the baffles
 
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