Overview:These Builder Series tailpipes are constructed from 2.50-inch mandrel-bent 16-gauge stainless 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# 842548 (Super 44 Series) or 852558 (Super 50 Series) stainless steel mufflers. Covered by our Lifetime Limited Warranty. Note: Not designed to fit in factory bumper cutouts. Some fitment may be necessary. Does Not include installation hardware or exhaust tips.Features:Exits Straight-out under the Rear BumperMandrel-bent for Maximum PerformanceHigh Clearance around Rear DifferentialDesigned for Side Inlet/Center Outlet Mufflers16 Gauge Stainless Steel TubingDoes Not Include HardwareLifetime Limited WarrantySpecs: Brand: Flowmaster Clamping Type: Flat Band Clamps Included: No Color: Gray Emission Code: 5 Exit Position: Dual Rear Exit Exit Position: Dual Rear Exit Exit Style: Dual Rear Exit Finish: Natural Fitment: Direct Fit Flanged Inlet: No Grade Type: Performance Inlet Connection: Slip-Fit Inlet Diameter: 2.5 Inlet Inside Diameter: 2.37 Inlet Outside Diameter: 2.5 Main Piping Diameter: 2.5 Material: Stainless Steel Outlet Connection: Slip-Fit Outlet Diameter: 2.5 Outlet Inside Diameter: 2.37 Outlet Outside Diameter: 2.5 Pipe Bend Type: Mandrel Universal Or Specific Fit: Specific Fit Welded Bracket Quantity: 0 Welded Hanger: No Part Number: 815802Applications: 1970-1972 Buick GS 350 CID 1968-1969 Buick GS 350 350 CID 1968-1969 Buick GS 400 400 CID 1970-1972 Buick GS 455 455 CID 1965-1966 Buick Gran Sport 401 CID 1967-1967 Buick Gran Sport 340 CID 1967-1967 Buick Gran Sport 400 CID 1964-1967 Buick Skylark 300 CID 1965-1966 Buick Skylark 401 CID 1966-1967 Buick Skylark 340 CID 1967-1968 Buick Skylark 400 CID 1968-1972 Buick Skylark 350 CID 1970-1971 Buick Skylark 455 CID 1964-1967 Buick Special 300 CID 1966-1967 Buick Special 340 CID 1968-1969 Buick Special 350 CID 1968-1969 Buick Sportwagon 350 CID 1968-1969 Buick Sportwagon 400 CID 1964-1968 Chevrolet Chevelle 327 CID 1964-1967 Chevrolet Chevelle 283 CID 1965-1969 Chevrolet Chevelle 396 CID 1968-1972 Chevrolet Chevelle 307 CID 1969-1972 Chevrolet Chevelle 350 CID 1970-1972 Chevrolet Chevelle 402 CID 1970-1972 Chevrolet Chevelle 454 CID 1964-1969 Chevrolet El Camino 327 CID 1964-1967 Chevrolet El Camino 283 CID 1966-1970 Chevrolet El Camino 396 CID 1968-1972 Chevrolet El Camino 307 CID 1968-1972 Chevrolet El Camino 350 CID 1970-1972 Chevrolet El Camino 402 CID 1970-1972 Chevrolet El Camino 400 CID 1970-1972 Chevrolet El Camino 454 CID 1970-1972 Chevrolet Monte Carlo 350 CID 1970-1972 Chevrolet Monte Carlo 402 CID 1970-1972 Chevrolet Monte Carlo 400 CID 1970-1972 Chevrolet Monte Carlo 454 CID 1971-1972 GMC Sprint 307 CID 1971-1972 GMC Sprint 350 CID 1971-1972 GMC Sprint 402 CID 1971-1972 GMC Sprint 400 CID 1971-1972 GMC Sprint 454 CID 1964-1964 Oldsmobile 442 330 CID 1965-1969 Oldsmobile 442 400 CID 1968-1971 Oldsmobile 442 455 CID 1964-1967 Oldsmobile F85 330 CID 1965-1966 Oldsmobile F85 400 CID 1968-1972 Oldsmobile F85 350 CID 1970-1972 Oldsmobile F85 455 CID 1964-1967 Oldsmobile Cutlass 330 CID 1965-1968 Oldsmobile Cutlass 400 CID 1968-1972 Oldsmobile Cutlass 350 CID 1970-1972 Oldsmobile Cutlass 455 CID 1967-1967 Oldsmobile Cutlass Supreme 330 CID 1968-1972 Oldsmobile Cutlass Supreme 350 CID 1971-1972 Oldsmobile Cutlass Supreme 455 CID 1964-1967 Oldsmobile Vista Cruiser 330 CID 1968-1972 Oldsmobile Vista Cruiser 350 CID 1968-1969 Oldsmobile Vista Cruiser 400 CID 1970-1972 Oldsmobile Vista Cruiser 455 CID 1964-1966 Pontiac GTO 389 CID 1967-1972 Pontiac GTO 400 CID 1970-1972 Pontiac GTO 455 CID 1964-1968 Pontiac Beaumont 327 CID 1964-1967 Pontiac Beaumont 283 CID 1965-1969 Pontiac Beaumont 396 CID 1968-1969 Pontiac Beaumont 307 CID 1968-1969 Pontiac Beaumont 350 CID 1964-1966 Pontiac Grand Prix 389 CID 1964-1966 Pontiac Grand Prix 421 CID 1967-1972 Pontiac Grand Prix 400 CID 1967-1969 Pontiac Grand Prix 428 CID 1970-1972 Pontiac Grand Prix 455 CID 1964-1967 Pontiac LeMans 326 CID 1968-1972 Pontiac LeMans 350 CID 1968-1972 Pontiac LeMans 400 CID 1970-1972 Pontiac LeMans 455 CID 1964-1967 Pontiac Tempest 326 CID 1968-1970 Pontiac Tempest 350 CID 1968-1970 Pontiac Tempest 400 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.