Blue exhaust fumes are an indication of burning oil, which is mixing with the fuel - probably from a leaking piston ring or valve seal. You definitely need to bring your car to a mechanic for a check-up.
The heat of the exhaust gasses will turn some polished exhaust pipes blue. This is very common with stainless steel exhausts.
If it is running loudly then there is an exhaust leak either at exhaust manifold or some where else in the exhaust pipes. Bad exhaust muffler could also cause this. Hope this helps.
In theory, removing the exhaust pipes or cutting holes in them could increase the gas mileage. However, in most states it is illegal and could cause damage to the valves inside the engine.
There are many different types of exhaust pipes all with different reliabilities. The best type would be stainless steal exhaust pipes which do not rust and therefore last the longest. They are however the most expensive.
In the exhaust pipes under the truck. In the exhaust pipes under the truck.
High-pitched noise in water pipes could be caused by air trapped in the pipes, water pressure issues, or a faulty valve.
You can try a product called Blue Coral Blue Buster, it's a polishing agent that seems to work pretty well. You could also look into Blue-Away most motorcycle shops should carry one of these or something similar.
dual exhaust
It collects the exhaust gasses and directs them to the pipes.
Yes they do
yes, if the trans fluid is hitting the exhaust, but not out of the pipes coming from the outside of the pipes.
If your referring to the bluish/purple color that's from heat. The is some stuff you can treat your pipes with don't remember what it is called. But you can get it at any Harley Davidson dealer. They put it on chrome pipe to keep them from turning blue. I'll add-it never worked for me