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I DID IT ON MINE (07) BUT I KEPT MY STOCK MUFFS AND BOUGHT A SET OF TAKEOFFS AND PUNCHED THEM OUT. GOOD STOCK LOOK WITH A GOOD BARK 3/4-1" HOLE IS PLENTY. THE TRUE DUALS I PUT ON INCREASED THE \\;SOUND BY AT LEAST 20%. I WOULD START WITH 1/2 HOLE AND TWICK IT FROM THERE
Seriously. In a couple of years when unmodified mufflers have to be on the bike to get your plate, it will cost a lot more to buy OEM replacements than to buy a pair of Rushes now and just pull your stock ones out of the attic for the day you need them.
Not to mention punched-out stock mufflers sound like crap.
 \\; SoCAlPappy is right - you live in San Diego so riding up and down the coast you can get hassled. I stopped taking my Bobber down there after warnings from Laguna PD. For $125. plus shipping you can get a set of stock mufflers for your bike that have a better than SE sound and are tuned. BobVic takes stock bagger pipes and tunes the baffles. No stage-1 needed and probably about 5% gain. I live inland but I've ridden those to the beach and no problems. My Vance and Hines with Kuryakyn Hypercharger - pulled over everytime.
How did you do it for your bike? \\; I live in Canada and no concerns about sound forthe foreseable future. \\; Eventually I will get new pipes but in the meantime I am going to do this to my bike. \\; I do not care about the power aspect \\; so the sound is what I am after for now.
If anyone has done this please let me know how to do it as I want to get it done right away.
I did what has already been suggested, Found the sound I liked best in my case it was Vance and Hines slip ons no baffles,they are mellow at low rpms and you know they're there when you crank it, and put my stocks in the boxes and put them on the shelf just in case. \\; $316 for the mufflers \\; and decided to add the stage one intake which included resetting the chip $345.
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