I have a kit of 1 grand cleaners I used when I had the nsx, I haven't used the stuff in like 4 years, is it still good?

 

Just exactly what do you have?

 

the 1 grand entire kit, the car wash, polish, wax and everything

 

The car wash will outlast the others in shel life, the Waxes and polishes are sensitive to temperature sways over time. If you can shake em up and they look good, use em up!! Ive used ones that are coagulated, and they still perform well. (UPP as an example)

 

Sometimes the heat will ruin your products. If you keep them in a hot garage this may happen. I live in Florida and will move some of my products inside. I had one bottle of wax go bad on me from heat and time. It would not mix when shaking.

 

I think its all good if you keep it at room temperature........