This is the Novarossi EFRA 2660 One Piece Tuned On Road Pipe. This "New Generation" 2-chamber pipe features a conical tube, and is recommended for .12 to .15 class on road engines. This pipe will provide improved acceleration and is recommended for tracks that require bottom end power delivery.
NOTE: This is only the tuned pipe, and does not include a manifold, manifold gaskets or retaining springs which must be purchased separately. This pipe is made available as a separate item so you can choose either the long or short manifold, depending on whether you want better top or bottom end performance.