If you think the gains posted on Initeria's dyno sheet are worth the effort, then you should do it. Don't forget that you have to pull the heads to change the cams so it might be reasonable to get them ported & polished while you have them off. I would check with Inertia to see if they used a custom tune to match the re-ground cam. If they did, then find out if they have a tune for a 2009 Challenger with a 42RLE transmission as their test car had a NAG1 and a different PCM and TCU. This naturally puts a Predator in your budget.with the numbers on interia's site with both mods it should make reasonable differance plus with what i already have .cai ,71mm tb ,headers& dauls.
I would like to know what the cams will do also. I am doing a ported lower intake over the winter. I just installed a 71mm throttle body when we were at Atco in Nov. Didn't get to try it out much. Car is now safely in the garage with the SRT as we have a foot of snow on the ground.hemiwoman maybe has done this mod...not sure though
What fun is that?Just buy a V8