The ornamental design for a tailpipe, as shown and described.
1. Tailpipe
1.1 is a top, rear, and left side perspective view of a tailpipe embodying our new design;
1.2 is a right side elevation view thereof;
1.3 is a left side elevation view thereof;
1.4 is a top, rear, and right side perspective view thereof;
1.5 is a top plan view thereof;
1.6 is a rear elevation view thereof;
1.7 is a top, front, and right side perspective view thereof;
1.8 is a bottom plan view thereof; and
1.9 is a front elevation view thereof.
The “automobili Lamborghini” and design mark, appearing at least in part in Figures 1.1, 1.3, 1.4, 1.5, and 1.6 is a trademark of Automobili Lamborghini S.p.A. The “AKRAPOVIČ” and design mark, appearing at least in part in Figures 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, and 1.7 is a trademark of Igor Akrapovič. The “automobili Lamborghini” and “AKRAPOVIČ” trademarks, shown on the collar around the tailpipe in these various Figures, are not part of the claimed design and are hereby disclaimed.