I myself looked at the Stillens, Berk, FI, etc. I finally settled on the AAM Competition CBE with HFCs. The sound for me was not overpowering but was still strong in the low end and throughout without the rasp of some. Realizing everyone has different tastes in exhausts and the sounds they want, that is my input. If you are only looking at the FI or Berks I'd say go with FI. Good luck on whatever you choose!
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Jon
Swift | SPC | Stillen | Motordyne | AAM | Cobb | Hawk | Volk Racing | Bridgestone
Green Demon Eyes
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