Mostly. The s is plural (three pipes). The Off Road units are shorter and less restrictive than the stockers (won't meet DOT noise limits) so they require a change in fuel mapping when installed (otherwise your engine runs waaaaay too lean). Does that explain it?
Mostly. The s is plural (three pipes). The Off Road units are shorter and less restrictive than the stockers (won't meet DOT noise limits) so they require a change in fuel mapping when installed (otherwise your engine runs waaaaay too lean). Does that explain it?