This is in comparison to the powertrix. I noted PT is steel and SPL is Aluminum (maybe 30 grams lighter) and has the air deflector mounts (which I won't use). I searched, but I guess I didn't put in the correct phrasing.
Follow Ups
Is SPL's adj tension rods worth 30 extra bones. - puddlejumpinzx09:48:39 04/30/08