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The hybrid race tune is different from the ultra comp tune, but I would think that headstuds would be best if your going to use any of those tunes, but that's just me. Matt or Evan might be able to say if they can write those tunes knowing if someone has factory bolts to be able to use that tune as safely as they could without having studs.
ya matt's website says you have to sign off before using those ultra high comp ones. "HEAD STUDS ARE HIGHLY RECOMMENDED" so since i probably cant use that tune hows the smoke with the hybrid racing tune
ya matt's website says you have to sign off before using those ultra high comp ones. "HEAD STUDS ARE HIGHLY RECOMMENDED" so since i probably cant use that tune hows the smoke with the hybrid racing tune
would like to know that as well as how the hybrid compares to the aggr race tune.