Cool to see you went to the exbox. Your hyper was one of the first that I saw with any mods done to it. Got me going on mine. I'm thinking about getting it coated for sure but its a bit spendy from motowheels. I might just do it myself.I have a Quat-D, race ecu, PCIII, dynoed
Reason for the race ecu was to get rid of the exhaust valve motor, since I installed it I removed the lamba thing as well.
Reason for the PCIII was to get the most out of the config: a) fuel milage got better b) low mid torque significantly increased c) a bit more hp all over but that was not important to me. Search the form somewhere I posted my dyno.
BTW - if you are getting a xbox consider to get it coated straight away including header pipes. Although all and everything is titan/stainless is looks ugly just a few weeks later. I just put all and everything in bits and pieces and let black chrom coated. Dirty work to clean it especially inside. I'll post pics when it's done.