What exhaust is this? - YZ426F

This came with my bike, I'm not sure what type of exhaust it is...I'm currently running the powerbomb 4, but I'm curious as to what this is.

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Looks like an old Thunder Alley exhaust to me... Those haven't been made in a few years.

That specific exhaust hasnt been made in a few years, or the exhausts in general havent been made in a few years?

I wonder if I should use it instead of my FMF..

I believe Thunder Alley went out of business a couple years ago. I could be wrong, but I haven't seen any in about 7-8 years. I can't tell you anything about the performance, but I do remember that they were always pretty loud.

Edited by KJ790

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