Overview: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.Features:Weld-OnAngle Cut DesignFlowmaster logo embossed 3.00 in. tipPolished Round Tip with rolled edgeSpecs: Brand: Flowmaster Clamps Included: No Color: Gray Emission Code: 5 Exit Position: Dual Rear Exit Exit Position: Dual Rear Exit Exit Style: Dual Rear Exit Finish: Aluminized Fitment: Direct Fit Flanged Inlet: No Grade Type: Performance Inlet Connection: Slip-Fit Inlet Diameter: 2.5 Inlet Inside Diameter: 2.5 Inlet Outside Diameter: 2.63 Main Piping Diameter: 2.5 Material: Aluminized Steel Outlet Connection: Slip-Fit Outlet Diameter: 2.5 Outlet Inside Diameter: 2.5 Outlet Outside Diameter: 2.63 Overall Length: 65.25 Pipe Bend Type: Mandrel System Type: Tailpipe Kit Tubing Diameter: 2.5 Universal Or Specific Fit: Specific Fit Welded Bracket Quantity: 0 Welded Hanger: No Part Number: 15817Applications: 1978-1987 Buick Regal 231 CID 1978-1980 Buick Regal 305 CID 1978-1979 Buick Regal 196 CID 1979-1980 Buick Regal 301 CID 1980-1981 Buick Regal 265 CID 1982-1984 Buick Regal 252 CID 1986-1987 Buick Regal 307 CID 1978-1987 Chevrolet El Camino 305 CID 1978-1984 Chevrolet El Camino 231 CID 1978-1979 Chevrolet El Camino 350 CID 1978-1979 Chevrolet El Camino 200 CID 1979-1982 Chevrolet El Camino 267 CID 1980-1984 Chevrolet El Camino 229 CID 1985-1987 Chevrolet El Camino 262 CID 1978-1983 Chevrolet Malibu 231 CID 1978-1981 Chevrolet Malibu 350 CID 1978-1983 Chevrolet Malibu 305 CID 1978-1979 Chevrolet Malibu 200 CID 1979-1981 Chevrolet Malibu 267 CID 1980-1983 Chevrolet Malibu 229 CID 1978-1984 Chevrolet Monte Carlo 231 CID 1978-1988 Chevrolet Monte Carlo 305 CID 1978-1979 Chevrolet Monte Carlo 200 CID 1979-1982 Chevrolet Monte Carlo 267 CID 1980-1984 Chevrolet Monte Carlo 229 CID 1985-1988 Chevrolet Monte Carlo 262 CID 1978-1984 GMC Caballero 231 CID 1985-1987 GMC Caballero 262 CID 1982-1983 Oldsmobile Custom Cruiser 307 CID 1980-1980 Oldsmobile Cutlass 305 CID 1980-1980 Oldsmobile Cutlass 231 CID 1980-1980 Oldsmobile Cutlass 260 CID 1980-1980 Oldsmobile Cutlass 350 CID 1979-1979 Oldsmobile Cutlass Salon 350 CID 1985-1986 Oldsmobile Cutlass Salon 307 CID 1986-1987 Oldsmobile Cutlass Salon 231 CID 1978-1987 Oldsmobile Cutlass Supreme 231 CID 1983-1983 Oldsmobile Cutlass Supreme 307 CID 1982-1986 Pontiac Bonneville 231 CID 1978-1987 Pontiac Grand Prix 231 CID 1978-1980 Pontiac Grand Prix 301 CID Emissions: This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.