There's a DIY somewhere on the forum. If you don't have a jack stand, just put half (the right side) of your car up on a sidewalk so that you have access to the pipe flanges right before the muffler. I believe the bolts are 1/2" or 5/8", so just get (16) 5/8" stainless steel washers (4 for each bolt). All you have to do is unbolt it, place the washers between the flanges and bolt it back up. Let me know how it turns out.
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