Exhaust and tunning

[Dave80GTSi]

Originally Posted by Qckslvr

Also are the exhaust manifold bolts/studs 6mm or 8mm? Dave mentions 6mm, but other sites say 8mm. I would like to be prepared for my project.

Oops, upon further reflection, I do believe these to be M8. Good catch!

Nevertheless, wise for to remove one and to measure it first to confirm, before you buy replacements.

You should be OK to reuse your OEM thin metal manifold-to-head gasket.

Thanks - DM