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. Designed to be used with Side Inlet/Opposite Side Outlet mufflers such as part# 942548 (Super 44 Series) or 942553 (50 Series) mufflers. Covered by our 3-year Limited Warranty. Note: Not designed to fit in factory bumper exhaust cutouts. Some fitment may be necessary. Does Not include installation hardware or exhaust tips.Flowmaster Pre-bent TailpipesSpecifications: Description_ABR PIPE 78-88 G Description_SHO PIPE 78-88 GM G-BODY Description_INV 7888 GM GBODY TPIPE 1PR Description_ASC Fits 1978-1988 GM G-Body. Use with Side Inlet/Opposite Side Outlet mufflers. Description_DES Flowmaster Pre-bent Tailpipes Description_EXT Fits 1978-1988 GM G-Body Description_MKT 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. Designed to be used with Side Inlet/Opposite Side Outlet mufflers such as part# 942548 (Super 44 Series) or 942553 (50 Series) mufflers. Covered by our 3-year Limited Warranty. Note: Not designed to fit in factory bumper exhaust cutouts. Some fitment may be necessary. Does Not include installation hardware or exhaust tips. Description_FAB Exits Straight-out under the Rear Bumper Mandrel-bent for Maximum Performance High Clearance around Rear Differential Designed for Double Off-set Mufflers 16 Gauge Aluminzed Steel Tubing Does Not Include Hardware 3-year Limited Warranty Automotive Item Grade High Performance Brand Flowmaster California Proposition 65 Required No Category Exhaust 1882 No 17 Gray Emission Code 5 9870 Dual Rear Exit 200 Aluminized Fitment Direct Fit 1880 No 3390 Performance 9957 Slip-Fit Inlet Diameter 2.50 601 2.50 1171 2.63 9871 2.50 10 Aluminized Steel 9958 Slip-Fit Outlet Diameter 2.50 622 2.50 1172 2.63 Overall Length 65.25 part type Exhaust Tail Pipe 9790 Mandrel Product Type Exhaust Accessories Sub Category Exhaust and Tail Pipes System Type Tailpipe Kit 1883 No Tubing Diameter 2.50 Universal Or Specific Fit Specific Fit 9784 0 2875 No