Seth
Install is a bit of a pain, but no more than changing your spark plugs for normal maintenance. Driven maybe 50 miles so far, no noticable power increase with 92 octane. Paired with intake, exhaust, MAF tune. So far all I have noticed is slightly smoother lower RPM driving. Throttle response might be slightly better but not noticeable. As I kind of figured, this could be a snake oil mod but it was cheaper than OEM. Hopefully they don't present any issues going forward. Doing about 80 miles of hig...






















