GutBomb wrote:I installed this and the super q muffler on my otherwise stock 2013 5MT Sport last week and love the sound, so thanks so much for making it. I did have a few install issues and since I can't seem to find "official" installation instructions (unless this thread is official) I have a couple of questions.
1.) Is this thread the official installation instructions?
1a.) If not, where are the official instructions
2.) One of the header studs came out with the nut, the other one stayed in and I was able to remove just the nut. Right now, I acquired a simple bolt that I am using in conjunction with a washer and the existing spring holding in that side. I torqued it to the same spec that the stud/spring/nut combo is supposed to be torqued down to, but since this is different than the stud/spring/nut combo should the torque specs still be the same? This is just temporary anyway as I've ordered the proper stud and nut and they should be here soon.
3.) Gaskets! I don't have a question about the midpipe to muffler gasket, that's all set. The midpipe to header connection though I'm less clear on. Was I supposed to reuse the factory gasket (it looks like braided metal)
Or was I supposed to go without a gasket. In all of the installation threads on this and other forums I haven't seen anything about gaskets for this connection.
In my haste to install, and the lack of any mention of gaskets for this connection anywhere, I don't actually know if I reused the factory gasket or not. I've checked the end of the factory midpipe and there's no gasket stuck to it, so I'm assuming it's still on the stock header, which is now connected to the RS midpipe. I'll be checking that to be sure when I put the proper stud/nut/spring on after it arrives.
4.) I've done about 100 miles so far on the midpipe/super q muffler combo and at first it sounded very bassy on decel but that's decreased a little bit and has been replaced by an awesome rumble/burble sound. This is the sound I was hoping for, but I'm neurotic so I'm looking for validation that this should be the proper evolution of the sound as the exhaust breaks in, rather than it being evidence of a leak or other problem.
5.) When I first did the install the protruding part of the slip joint clamp was facing downwards and was making contact with the X-brace as I drove and creating a very annoying rattle. I got back under the car after the test drive and moved it so the protruding part is facing the left side of the car instead of the ground. The rattle is 99% gone, however when going over larger bumps I do hear contact being made under the car that sounds exactly the same as that X-brace contact before. I've tried moving the pipe and muffler around on all of the bushings but I can't find a position where this doesn't occasionally happen over bumps. Do you have any advice? I thought about maybe putting a large hose clamp around the bushing that holds the midpipe in order to force it to raise up a bit, but I don't know if that would reduce the amount of flex needed while driving. Any ideas?
6.) Finally, today while driving to work at about the 30 minute mark of mostly slow traffic I finally hit clear road (as I was about to enter my office's parking lot). I was in 2nd gear and it felt like I was only getting half of the power I should. Like, it felt like I was trying to accelerate from low speed in 4th gear but was definitely in 2nd. If I had a leak from the header to the midpipe because of a possibly missing gasket and/or possible leak because of the non-standard bold/spring instead of stud/spring/nut could that cause such a dramatic loss in power? The engine didn't sound any different than it usually does so I don't think I lost a cylinder. I also drove later in the day and drove the exact same stretch of road and it felt normal. Do you think it could be related or could be something else?
Sorry for the long-winded and question filled first post but hopefully if someone comes along in the future with the same questions they can be helped by this too.
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