These Builder Series tailpipes are constructed from 2.50-inch mandrel-bent 16-gauge aluminized steel tubing for maximum flow, tuck up high in the chassis for good clearance and exit straight-out the back under the rear bumper. Covered by our 3-year Limited Warranty. Note: Not designed to fit in factory bumper cutouts. Some fitment may be necessary. Does Not include installation hardware or exhaust tips.