Hi, I have just joined as I thought this was best way to tell all you c1 owners of our latest tuning exploits we are well known for our conversions on saxo,s , ax,s ,106 ,etc our name GMCmotorsport www.gmcmotorsport.co .uk Our latest thing is ==and this is very new a performance exhaust system and decat manifold for the c1 next thing will be a super charger kit if there is any interest . today we fitted the first system to a c1 results were an increase in power of between 5 to 9% at the wheels, depending on rpm ,and that is still with cat and std ex manifold fitted the system has a rolled edge tail pipe which exits below bumper. we also have made a twin exit system --If there is enough interest it will also become a stock tomorrow we will be fitting the "bunch of bannanas " with no cat . prices will be listed in our website early next week wehave stock now they are fully s/s of curse and are very easy to fit thank you for taking the time to read this blatant advert