VP Racing Fuels Madditive Octanium 1 Qt. Lead Substitute

Used with every fill up to maximize life and performance of my 911.

Used octanium for the past 7 years on my 2014 mustang gt with no issues. Not sure what changed but it now fouls my o2 sensors within 50 miles. I see there is an unleaded version but cant find it here in western Canada

I use this in a work truck and it helps with pulling loader on trailer and improves my gas mileage. Great Stuff!!!

Horrible stuff, dripped a tiny amount adding to my boat fuel. Wiped and washed area immediately, left a permanent dark brown line down my boat. This stuff is brutal. Do not use, one drip will destroy your paint, decals or gel coat.

Easy way to increase octane on 91+ locally available fuels.

If I could give it a negative 10, I would. This octane booster that is not only suppose to improve performance, but clean injectors and gunk in engines ended up guncking up my fuel pump ony 2018 Suzuki RMZ450 to the point my bike wouldn't start due to all the sludge that was in my entire fuel pump. I had no issues the 5 years prior using ethonal free gas in it. I wanted to raise the octane a bit since 88 is all I can get in ethanol free. After a couple months of using this additive, I noticed roughly a quarter to up to half inch globs of a yellowish color, so I immediately got rid of that gas and stopped using the additive, but it was too late. A few weeks later bike won't start and it definitely seemed like no fuel was getting to the engine. Sure enough, after taking it to a Suzuki dealership, my fuel pump had the correct power, but 0 psi for fuel flow. Mechanic took off the fuel pump and once he saw how guncked up the fuel filters were and even the fuel pump to the point it couldn't be fixed. Extremely unhappy. To everyone, just use ethanol free on your dirt bikes. Can't go wrong with that.

Be very careful while using it’ll stain the paint really bad brand new car ruined

Eight point kicker is real.

The octane boost works great! I was a little bummed that my invoice showed stickers included with the shipment but there were none in the box.