Thread: What is it?
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Old 09-07-2022, 06:46 PM   #3 (permalink)
The_Pappa_Rob
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Quote:
Originally Posted by RanRich View Post
"Frequency Intelligent" Valvetronic. It uses a Y-pipe merge as opposed to an H or X pipe:

https://www.fi-exhaust.com/web/produ...M1633426550486
Appreciate it!
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