Originally Posted by
vqman thanks for the responses guys,
the company claims it works on all sorts of motors... but then you'd think they'd need different sizes and different lengths to get the engineering right... they claim it's an "exact" perfect noise cancellation device...
they also said he'd give one up for $125 (instead of usual $200) for a Guinea Pig in the SR20 community if someone wanted to try it out.... They are in the Connecticut area..
It wouldn't work *ideally* on all motors, but I'm sure they could make it work decently well on "most inline 4 cylinder" motors, for example.
You can get a small magnaflow resonator and do the same thing as his pipe.