ported manifold

I have a 2019 A10 GT with some simple bolt-on mods. I have a JLT CAI, Kooks catless 1-7/8 headers, MBRP cat back, and a custom e85 tune for power mods. Im looking at porting my IM and getting IMRC lockouts. What else can you do to carry power better past 7k rpm. It seems to drop off a solid...

Before you ask yes I flashed a tune for the manifold and JLT, my tuner says it’s on my end and mechanical. I’m at a loss tho, car ran prior to this but had a misfire due to the imrc being broken. Nothing else got changed or touched besides removing stock mani and intake then immediate install of...