The ornamental design for an exhausttip, as shown and described.
FIG. 1 is an isometric view of the exhaust tip.
FIG. 2 is an inlet end view of the exhaust tip.
FIG. 3 is an outlet end view of the exhaust tip.
FIG. 4 is a left side view of the exhaust tip, a right-side view of the exhaust tip being a mirror image of the left-side view.
FIG. 5 is a bottom view of the exhaust tip.
FIG. 6 is a top view of the exhaust tip; and,
FIG. 7 is a cross-sectional view of the surface of the exhaust tip taken along line 7-7 of FIG. 6. The cross hatched portions form no part of the design.
Portions of the figures shown in broken line are not part of the claimed design.