rbc kpro

Recently Ive K24 swapped my car and I bought the KPro V4 to go along with it. As of recently I'm having this issue where the car starts to stutter and lower RPMs and wants to bog out. The ECU as well is having issues where it keeps losing the tune and I have to constantly re-upload it to fix the...

Found this tuning website. What do people feel about the BHP quoted for the mods? and has anybody used them? http://www.euro-spec2000.co.uk/Tuning/Honda/integra-Type-R-DC5/ Would and RBC manifold really give 35bhp? Also the servicing prices..£795 for the 60000 miles..good/bad price...