Okay so maybe they aren't horsepower upgrades (yet), but we did make some changes to the '66 Chevelle that we think makes this classic Chevy even more of a restomod. - We switched out the wheels for American Racing 18" Wheels - We installed some sick LED headlights with daytime runners - We swapped the quiet mufflers out with some throaty Black Widow Exhaust mufflers. We still have more mods coming to this car, including a new Brian Tooley Racing Cam. Stay tuned! What else should we do to the RM