Kai SRT10
Enthusiast
Anyone have experience with Billy Boat's 3 inch header back exhaust (the one that retains the crossover.)
I'm looking at ways to make my car a bit more quiet, and this is the only 3 inch system I know of that retains the crossover.
I'm interested in opinions on sound, flow, and cabin heat.
I'm looking at ways to make my car a bit more quiet, and this is the only 3 inch system I know of that retains the crossover.
I'm interested in opinions on sound, flow, and cabin heat.