Quote:
Originally Posted by mikool
If you are leaning towards Tomei then I would suggest looking into Gruppe-s. It's very similar in terms if design, fitment, quality and gains with a cheaper price tag. There is a head to head comparison with Gruppe-s vs Tomei somewhere on here with dynos and everything.
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Right here!
http://www.ft86club.com/forums/showthread.php?t=92104
The numbers are pretty close to Tomei.
"They are in fact, manufactured from the very same machinery used to make the TOMEI headers "