Quake beat me to it, I was going to suggest checking the wastegate for manifold debris. The exact same thing happened to me a few weeks after installing my E-bay manifold. A piece of manifold metal got the wastegate stock open. I almost broke my downpipe v-band clamp tightning it thinking there was an leak there:icon_bigg
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.