[Gizm0]

Has anyone on here tried this setup from Alibaba? From the pictures it looks like some pretty good quality… it has an actual X pipe which should help with the N54 raspiness, and also has valved mufflers? I kind of want to give it a try but if anyone had sound clips of it it would help.

[oVeRdOsE.]

looks good.

but be ready for small fitment issue, and they surely did not purge the pipe before welding. hit or miss.

electric valve might be a bad idea for ali special mufflers. If you have a pneumatic option I would go with this.

I personally own a ali muffler with a pneumatic valve. but it was the same supplier as valvetronic, so somewhat good.

I really like it

[Gizm0]

My current setup has a crossover pipe like this pic, and apparently from what I’ve read online is what gives BMW inline sixes their raspiness. Instead of having a 6-1 manifold, most BMWs have two 3-1 manifolds (except for a few like the N55 for instance which IMO sounds much better than the N54). An x-pipe, while not as good as a true 6-1 manifold does help with the raspiness.

VRSF fixes that with their single 3.5” setup which I really like the sound of, so I wonder how a system with an x-pipe would compare.