Originally Posted by COSMO

All I can say is WOW and congrats.. On another note I did noticed the same thing on my gtm exhaust manifolds and ported mine out to the correct size sometime last year.. Yes it will make a big difference in the flow.. My drivers side exhaust manifold is cracked and now I'm forcd to just have it rewelded since I can no longer find another gtm manifold. I recently tried purchasing one through vivid racing to come from gtm but again they failed to come through after 6 weeks..