Feature●DOUBLE-HUMP DESIGN allows dual exhaust upgrade for your vehicle●COMPATIBLE WITH THE FOLLOWING APPLICATIONS: 1978 - 1988 GM G-body vehicles including Chevrolet Malibu, Monte Carlo, Buick Regal and Grand National, Oldsmobile Cutlass, and Pontiac Grand Prix. WILL NOT FIT Olds Cutlass Supreme or Chevy El Camino models●FITS TH-350 Transmissions●BLACK POWDER COATED STEEL for strength, great looks, and long life●MUST HAVE UPGRADE for transmission swapsDescription