yes I am.

with the high flow cores out now they really don't affect power except for on the highest strung/big boost set ups. even then its likely a marginal sacrifice to do the right thing.

I got one off ebay: "Thunderbolt" brand purportedly from same manufacturer as the Dynatech cats at a fraction of the price. they look exactly the same, smooth one piece shell and a relatively short core section:




can't remember what I paid but it was pretty cheap < $50 iirc. a quick search brought up this vendor:

www.performance-curve.com

oddly the 3" cats are almost $20 cheaper than the 2.5" - I'll have to grab one for the Impulse