Eventually i will be putting a new exhuast on my 1985 gs, the whole thing is pretty rusted out. I plan on getting the RB muffler and manifold. Beings that im a tig welder ill be making my own connection pipe. My question is do i need the RB presilencer or could i just use a glass pack in its place?

 

i don't think the glass pack will be able to stand up to the heat. plus it may be too loud for u or where u live.

 

Good point. Do you know of any other options besides the RB presilencer?