# MagnaFlow 15894 Street Series Crossmember-Back Stainless Exhaust System for 1968-1973 Buick Gs and More ### Performance Overview The Magnaflow street Series Exhaust System is crafted from durable stainless steel and features mandrel bent tubing's for maximum durability and performance gains. The Street Series gives a more smoother and deeper than stock mufflers, but it is not oppressive to the ears when you're cruising along the highway. Magnaflow street Series Exhaust Systems has a straight-through flow design with increased horsepower and torque as it gives out maximum exhaust flow. ### Key Features - Brand: MagnaFlow - Part number: 15894 - Product type: Street Series Crossmember-Back Stainless Exhaust System - Designed for compatible vehicle applications listed on this page ### Vehicle Fitment - 1970 Buick Gs, Note: Base; 5.7L - 1971 Buick Gs, Note: Base; 5.7L - 1972 Buick Gs, Note: Base; 5.7L - 1970 Buick Gs 455, Note: Base, Gsx; 7.5L - 1971 Buick Gs 455, Note: Base; 7.5L - 1972 Buick Gs 455, Note: Base; 7.5L - 1968 Buick Gs350, Note: Base; 5.7L - 1969 Buick Gs350, Note: Base; 5.7L ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. **What part number is this?** The listed part number is 15894. **Is this product designed for direct replacement?** Yes. This product is intended to match compatible vehicle applications listed in the fitment section. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering. ### Common Searches - Street Series Crossmember-Back Stainless Exhaust System for Buick Gs - 15894 fitment - MagnaFlow Street Series Crossmember-Back Stainless Exhaust System - 1968 Buick Gs Street Series Crossmember-Back Stainless Exhaust System ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 1970 Buick Gs Base; 5.7L 1971 Buick Gs Base; 5.7L 1972 Buick Gs Base; 5.7L 1970 Buick Gs 455 Base, Gsx; 7.5L 1971 Buick Gs 455 Base; 7.5L 1972 Buick Gs 455 Base; 7.5L 1968 Buick Gs350 Base; 5.7L 1969 Buick Gs350 Base; 5.7L 1968 Buick Gs400 Base; 6.6L 1969 Buick Gs400 Base; 6.6L 1968 Buick Skylark Base, Custom; 4.1L, 5.7L, 6.6L 1969 Buick Skylark Base, Custom; 4.1L, 5.7L 1970 Buick Skylark 350, Base, Custom; 4.1L, 5.7L, 7.5L 1971 Buick Skylark Base, Custom; 4.1L, 5.7L, 7.5L 1972 Buick Skylark 350, Base, Custom; 5.7L 1968 Buick Special Base; 4.1L, 5.7L 1969 Buick Special Base; 4.1L, 5.7L 1968 Chevrolet Chevelle 300, 300 Deluxe, Base, Concours, Malibu, Nomad, Ss; 3.8L, 4.1L, 5.0L, 5.3L, 5.7L, 6.5L 1969 Chevrolet Chevelle 300 Deluxe, Base, Concours, Concours Estate, Greenbrier, Malibu, Nomad, Ss; 4.1L, 5.0L, 5.7L, 6.5L 1970 Chevrolet Chevelle Base, Concours, Concours Estate, Greenbrier, Malibu, Nomad, Ss; 4.1L, 5.0L, 5.7L, 6.5L, 6.6L, 7.4L 1971 Chevrolet Chevelle Base, Concours, Concours Estate, Greenbrier, Malibu, Nomad, Ss; 4.1L, 5.0L, 5.7L, 6.6L, 7.4L 1972 Chevrolet Chevelle Base, Concours, Concours Estate, Greenbrier, Malibu, Nomad, Ss; 4.1L, 5.0L, 6.6L, 7.4L 1973 Chevrolet Chevelle Deluxe; 4.1L, 5.0L, 5.7L, 6.6L, 7.4L 1968 Chevrolet El Camino Base, Custom; 3.8L, 4.1L, 5.0L, 5.3L, 5.7L, 6.5L 1969 Chevrolet El Camino Base, Custom, Ss; 3.8L, 4.1L, 5.0L, 5.3L, 5.7L, 6.5L 1970 Chevrolet El Camino Base, Custom, Ss; 4.1L, 5.0L, 5.7L, 6.5L, 6.6L, 7.4L 1971 Chevrolet El Camino Base, Custom, Ss; 4.1L, 5.0L, 5.7L, 6.6L, 7.4L 1972 Chevrolet El Camino Base, Custom, Ss; 4.1L, 5.0L, 5.7L, 6.6L, 7.4L 1973 Chevrolet El Camino Base, Custom, Ss; 4.1L, 5.0L, 5.7L, 6.6L, 7.4L 1973 Chevrolet Malibu Base, Estate; 4.1L, 5.0L, 5.7L, 6.6L, 7.4L 1970 Chevrolet Monte Carlo Base; 5.7L, 6.6L, 7.4L 1971 Chevrolet Monte Carlo Base; 5.7L, 6.6L, 7.4L 1972 Chevrolet Monte Carlo Base; 5.7L, 6.6L, 7.4L 1973 Chevrolet Monte Carlo Base, Landau, S; 5.7L, 6.6L, 7.4L 1968 Oldsmobile 442 Base; 6.6L, 7.5L 1969 Oldsmobile 442 Base; 6.6L, 7.5L 1970 Oldsmobile 442 Base; 7.5L 1971 Oldsmobile 442 Base; 7.5L 1968 Oldsmobile Cutlass Base, S; 4.1L, 5.7L, 6.6L 1969 Oldsmobile Cutlass Base, S; 4.1L, 5.7L 1970 Oldsmobile Cutlass Base, S; 4.1L, 5.7L, 7.5L 1971 Oldsmobile Cutlass Base, S; 4.1L, 5.7L, 7.5L 1972 Oldsmobile Cutlass Base, Cruiser, S; 5.7L, 7.5L 1973 Oldsmobile Cutlass Base, S; 5.7L, 7.5L 1968 Pontiac Gto Base; 6.6L 1969 Pontiac Gto Base; 6.6L 1970 Pontiac Gto Base, The Judge; 6.6L, 7.5L 1971 Pontiac Gto Base, The Judge; 6.6L, 7.5L 1972 Pontiac Gto Base; 6.6L, 7.5L 1973 Pontiac Gto Base; 6.6L, 7.5L ## Details - **Price:** 1685.03 CAD - **Vendor:** MagnaFlow - **Type:** Street Series Crossmember-Back Stainless Exhaust System - **Tags:** 15894, 1968 Buick Gs350, 1968 Buick Gs400, 1968 Buick Skylark, 1968 Buick Special, 1968 Chevrolet Chevelle, 1968 Chevrolet El Camino, 1968 Oldsmobile 442, 1969 Buick Gs350, 1969 Buick Gs400, 1969 Buick Skylark, 1969 Buick Special, 1969 Chevrolet Chevelle, 1969 Chevrolet El Camino, 1970 Buick Gs, 1970 Buick Gs 455, 1970 Buick Skylark, 1970 Chevrolet Chevelle, 1970 Chevrolet El Camino, 1970 Chevrolet Monte Carlo, 1971 Buick Gs, 1971 Buick Gs 455, 1971 Buick Skylark, 1971 Chevrolet Chevelle, 1971 Chevrolet El Camino, 1971 Chevrolet Monte Carlo, 1972 Buick Gs, 1972 Buick Gs 455, 1972 Buick Skylark, 1972 Chevrolet Chevelle, 1972 Chevrolet El Camino, 1972 Chevrolet Monte Carlo, 1973 Chevrolet Chevelle, 1973 Chevrolet El Camino, 1973 Chevrolet Malibu, 1973 Chevrolet Monte Carlo, Auto Parts, Automotive, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-15894, Muffler, Performance Exhaust, Performance Parts, Street Series Crossmember-Back Stainless Exhaust System, Vehicle Fitment ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1685.03 CAD | In stock | ## Images - MagnaFlow 15894 Street Series Crossmember-Back Stainless Exhaust System --- > Source: [Standard Auto Part](www.standardautopart.com/products/magnaflow-buick-gs-exhaust-system-15894) > Updated: 2026-06-13