Quote:
Originally Posted by Bergycheese348
Are they like known to work? I have seen them before, but once again I have never heard actual claims/data. Not trying to do it for looks, and I don't wanna cut them up for something that just may be functional ya know.
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If you cut out the liners yeah, they do something. I'd imagine they are a end of the chain mod though. What else you have done to your car and what are you doing with it?