I have the 20" Magnaflow. Before going with this muffler, I had it straight piped for about 3 weeks. It sounds much better than the straight pipe IMO. It's not too loud, but you definitely hear it.
I had a shop do mine, but I can't remember the price. I think it was less than $200. We already have 4" from the turbo back, so I didn't see much of a reason to spend the extra $$ on a full exhaust, so I went with just a muffler replacement and kept the CAT (for now).
I had a shop do mine, but I can't remember the price. I think it was less than $200. We already have 4" from the turbo back, so I didn't see much of a reason to spend the extra $$ on a full exhaust, so I went with just a muffler replacement and kept the CAT (for now).