KX250F EXHAUST FULL PRO CIRCUIT TI-4 SYSTEM 

I like them...I've had a few of them on diff kx250f's. I think they're worth it..

RB412 cheers for the reply. Is there much difference between them and the t-5 or t-6? I've found a ti-4r second hand for $350 cant find them online new here in AUS ebay has them from USA for like $1300 Aus dollar so seem to still hold there price considering the t-5 and t-6 are newer models and only a lil more expensive just cant seem to find out why or much info about it all

I don't really think so...I think they all put out about the same hp from my experience...might just be alil bit lighter and then you have the carbon end caps to make the price go up

RB412 sweet thanks for your help man really appreciate it..makes sense people will pay whatever if the word carbon is in the title lol. Im in the process of fitting a pc water pump cover and impeller kit now

No problem man...I'm sure that'll look good too

You have the stock exhaust with diff cams and a high compression piston?

RB412 I don't have the high compressions pistons and all that mines stock

The exhaust obv makes a difference but the cams and piston make the biggest difference in sound in my opinion.