318iS Stromung Catback Group Buy 2015

[Gunner_1886]

Last I heard was that they had accepted my order. Haven't heard anything about it being shipped. When do I panic?

[Technoman]

No worries, if it didn't do this I'd be surprised. Mine did the same when initially hung. Bolt everything up loosely. Then start at the rear. Position your tailpipe with clearance the way you want it. An extra set of hands helps but you can do it alone. Snug brackets/hangers up working back to front. You may need a couple shots at it until you are happy with it but you'll get it. This system is very well designed and fits extremely well.

This exactly. First time I bolted everything up without looking I was really disappointed. Followed the steps above and voila.. Nice and centered...

[mabeer]

only issue im having is the exhaust is touching the valence on the left side how do i adjust this? its making a rattle sound

No worries, if it didn't do this I'd be surprised. Mine did the same when initially hung. Bolt everything up loosely. Then start at the rear. Position your tailpipe with clearance the way you want it. An extra set of hands helps but you can do it alone. Snug brackets/hangers up working back to front. You may need a couple shots at it until you are happy with it but you'll get it. This system is very well designed and fits extremely well.

[Ocell]

Mine's doing the same thing. I'm missing the clamp toward the front of the system that holds the mid section up near the transmission. I'm hoping getting that clamp will straighten things out.

[grke36m3]

got mine on today. sounds great only issue im having is the exhaust is touching the valence on the left side how do i adjust this? its making a rattle sound

[Merlin8]

Bump for waiting list

[Technoman]

Yep, bolted mine to the stock system and I think your right, there is a 'donut' on the stock system which is why I didn't need one. I forgot you were bolting up to a Magnaflow..

[mabeer]

Maybe you're reusing the donut gasket that was already on there without realizing it?

You may be right, I don't recall. I did have a replacement cat installed a couple of years ago and it may have had a good donut that I didn't notice. So take my above comment for what its worth (nothing).

[grke36m3]

Was wondering the same thing. I'm just gonna use my current one hopefully its in good shape

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[Ocell]

Interesting. I had e-mailed Scott and he said that there's a donut gasket needed there, but they don't include one because everyone uses the one that's already on the original system. Are you guys bolting up to the stock system? Maybe you're reusing the donut gasket that was already on there without realizing it?




This one's slightly different from what I'm working with... the flange has a bevel so the donut has bevels on both sides. From what I can tell the gasket needed for our system is beveled on the muffler side and flat on the cat side. Or at least for my Magnaflow.



If there's really not a gasket needed here, then my Magnaflow cat section must have some holes in it. I've got hella leak.

[Merlin8]

Haven't heard anything yet on the waiting list.

[mabeer]

No gasket on mine either. Works fine, no leaks.

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[Technoman]

There isn't a gasket in there as far as I recall. Just tighten the bolts, because of the way the front slips into the rear it creates a good seal as the flow is the right way, hope that makes sense..

[Ocell]

Figured it out sort of. Yes, there should be a donut gasket there. I don't know what size it needs to be. I grabbed the only one that looked like it would work from a local muffler shop. Should be able to try it out this evening. If anyone knows the exact dimensions I need, I'd love to know.

[Ocell]

Should there be a compression gasket in this joint between the cat-back system and the front half of the exhaust system?

I can't find any part numbers or reference to one in part diagrams on RealOEM, and I don't see any generic parts at the auto shop store. I'm new to exhaust, and feeling pretty lost here.