Quote:
Originally Posted by FuszNissan
My only issue with the Berks are the hissing sound on the down rev. I am not sure if Stillen does this or not, but the reason I went with berks was for the gains. If I could choose again , I probably would have done F.I. resonated cats.
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Unfortunately I think this down-rev hiss is a characteristic of our engine. I noticed it subtly when my car was stock. It became more noticeable when I put the Stillen CBE on with stock cats. Now I've added HFCs and it's even more pronounced. The gains and overall sound enhancement are well worth the mods, but the hiss is unfortunate. I'll live with it.