My new dyno numbers inside....
I am running TTS longtubes with there catted y, but I gutted the cats and inserted a 2.5" pipe through them to help flow and reduce turbulance.
Don't have an SAE graph, but I was at 409(SAE) before the gutted cats, lighter clutch, and a very good tune, so I expected about the gain I got. TTS cats are some of the most restricted cats around. My first pull on the dyno netted me 417 with no tunning. From there, it only got much better when we added timing and messed with the fuel curves.
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Are you going to the next R.A. open track day?
My father and I will be back at RA for the July track days, and back again for the event that follows the July one. Fun, fun, fun!!!!

