98-02 Camaro/Firebird LS1 Y-pipe:  Made from 3" diameter pipe and equipped with removable catalytic converters, this is the ultimate y-pipe for your LS1.It will connect directly to your stock exhaust when used with JET-HOT's headers, and comes will all the hardware necessary for installation and switching between off and on-road setups. Additionally we have welded in O2 sensor fittings and supplied you with plugs if you choose not to use them. Of course all the piping is coated in the Sterling® finish. We also sell this system in an off-road only version.