i almost got one when i had the t5's on my shee... i have been wondering how the toomey is also :shrug:
from my experience i would say
1. nmotion 9"
2. sparks big core
3. LTE duals
4. hmf or rossier
now on yfz central a guy did a pipe shootout and the jardine was a top performer. these are all pipes i have experience with and i have had them all on the dyno for tuning, except the sparks BC. the big core hit really strong in the mid to top i think it would be the number 1 if i got it on a dyno. that is what i feel as of now. by the way my setup for all the pipes was... FCI intake, cam mod on exhaust, webbs intake cam, stock stroke and bore, reworked accelerator pump, and thats about it that i can think of.