Yes the bike was measured with the full exhaust.That's quite a bit of hp loss there.
That dyno run was through the full exhaust?
I wonder how much hp loss there would be on a stg 1 kit making a lot less power on a gen 2.
I just measured my exhaust and it is 2.5''Unless the muffler is custom made like RCC they are usually much less than 2.5id and choke the turbo big time
Hi and thank you for your valuable information!Hendrixgr your using the tdo5 right ?
from the SAU forum at 15 psi
TDO5H-16G-7CM2 505 CFM
TDO5H-16G-10CM2 505 CFM
TD05-16G (small) 345-365hp @ 22 psi
TD06-16G (large) 365-385hp @ 22 psi
I think your pretty much on target for your turbo , starts making good positive pressure fairly early in the rpm range , limits top end potential a little and can boost creep at high rpm
A full exhaust on a n/a motor is less restrictive than stock, meaning you can gain power when you tune for it. On a turbo bike a full exhaust that is more restrictive than a dump pipe will reduce power. RCC have engineered around that issue with a full exhaust which doesn't restrict the flow. They've tested it up to 500 hp.So what I'm gathering from this is that a full exhaust system added to a stock bike increases hp but actually reduces hp on a turbo if the turbo is added?
I see, thank you for the clarificationA full exhaust on a n/a motor is less restrictive than stock, meaning you can gain power when you tune for it. On a turbo bike a full exhaust that is more restrictive than a dump pipe will reduce power. RCC have engineered around that issue with a full exhaust which doesn't restrict the flow. They've tested it up to 500 hp.