Well....My....ummm....Mark's.....umm....my and Mark's Vette get's here Wed morning....
Taking her in for a quick dyno tune.....with it's current mods.....what is the RWHP guess....????
https://lateral-g.net/sidelnyk/
Per Mark's advice...I will be replacing the side pipe inserts to a more free flowing design....(the brand new ones from Hooker)....not the reverse flows....suppose to be the same hp as a straight pipe....