hi guys im getting a typh 125/172 in the next few months any ordering afew parts now im aiming to keep the exhaust looking stock just dont like the mega bling look and big exhausts on typhs, i have come across this exhaust The SITO ensures a moderate power increase, making this the right system for those who want an economical and unobstrusive tuning http://www.sip-scootershop.com/en/products/exhaust+sito+plus+for+gilera_l0229 allso a steel sip manifold The Manifold increase the your performance plug&play up to 1HP - 1.5HP http://www.sip-scootershop.com/en/products/racing+exhaust+manifold+sip+_sip051 full price is 180 ish do you think there really will be any noticable diffrence from stock running on a 172 with 25mm carb
Runner 125 pipe is the same , sipdown pipe is good i have one but you have to match it to the exhaust port not really 1.5 bhp gain from plug and play.
I'd get the 180 pipe if you're buying new as the covers are a bit nicer. They're pretty much the same though tbh. The sip manifold is worth getting even just for the fact it won't ever rust IMO.