Quote:
Originally Posted by overtureZ
Did these do anything performance or sound wise?
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There are plenty of threads that go into further detail but from what I recall there are performance gains with these tubes, especially when paired with k&n drop in filters.
Some of the guys on here had actually posted their dyno results with impressive gains.
For sound I don't 100% remember. I think it gave it a slightly throatier sound but can't say for sure.