I went with the Solo HFC's earlier this year because I did not want to lose any torque on the bottom going with catless.
The Solo's were nice. The sound was great with the Magnaflow X pipe and muffler delete-i believe Sanjay and myself have posted the videos a few times.
I decided to give the other end of the spectrum a try-DGM sold me a set of Catless downpipes that have no rear O2 bungs, and added a bung for a wideband.
Got them installed, and with my Overkill Tune, and everyting else ive done, have not noticed any loss in torque. I feel like above 4k RPM (which is where i live most of the time, due to the 3.91's) I have picked up quite a bit of power. I am pretty pleased with them throughout the power band.
As for the tone/sound, i have picked up a little bit of rasp, from 2500-3000RPM, and a bit of drone from 2700ish to 3000, which sucks because my 70mph cruise speed in 6th is right at 2700.
There is a slight vibration/buzz as well at low RPM. Sanjay, Ghosted and myself are still trying to locate where/what that is.
The smell....I LOVE the smell. Especially when running E85. MMMM yeah!
The big reason why i switched was to ditch the rear O2's and tune them out, and to simplify my wideband setup. I was pleasently surprised to see and feel more power in the mid to top end, without the loss in the bottom that I was expecting. That could be due to the other modifications I have as well.
Questions, comments, concerns, outbursts?
