quebec#1
New member
Would getting the Y pipe on my viper Ceramic Coated help performance ?
change_up
New member
I definetly can't see it. You're hard pressed to find any stock OR aftermarket exhaust gain performance by ceramic coating it. The only difference you would notice (with aftermarket exhaust) is that the sled would run more consistent because the pipe temps would stay the same.
Stock exhaust is the most consistent thing out there already so it's already doing anything that coating it could do. If you were going to coat than i would at least do the whole system but even then I would have a very hard time justifying it.
My opinion is wait until you get a set of pipes (if you're going to) and coat THEM... then you will see small gains.... but nothing as far as horsepower.
Stock exhaust is the most consistent thing out there already so it's already doing anything that coating it could do. If you were going to coat than i would at least do the whole system but even then I would have a very hard time justifying it.
My opinion is wait until you get a set of pipes (if you're going to) and coat THEM... then you will see small gains.... but nothing as far as horsepower.
siudog
New member
I remember doing some calculations in college (mechanical engineering, 3rd semester of thermodynamics) about this. The teacher was a gearhead and always used automotive analogies to make his point. Being a gearhead myself, I asked about header wrap.
I don't remember all the specifics, but I distinctly remember 2 stroke scavenging was enhanced by the higher temperatures that would be seen within the exhaust. This was still negligible as the majority of scavenging is due to the taper of the pipe itself. Thermodynamically, any engine will be slightly more efficient with a hotter exhaust when analyzed as a Rankine cycle, but in a sled, who cares, the changing friction due to the snow and your body weight is more of a factor. Save your money.
I don't remember all the specifics, but I distinctly remember 2 stroke scavenging was enhanced by the higher temperatures that would be seen within the exhaust. This was still negligible as the majority of scavenging is due to the taper of the pipe itself. Thermodynamically, any engine will be slightly more efficient with a hotter exhaust when analyzed as a Rankine cycle, but in a sled, who cares, the changing friction due to the snow and your body weight is more of a factor. Save your money.