Catalytic Converter for 2004 Pontiac GTO 5.7L OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow tunnel-ram-intake-manifolds F-Body or Truck drive offsets

F-Body or Truck drive offsets  Utilizes commonly available and affordable GM alternators and power steering pumps  OEM quality natural finish die castings for clean looks and durability

1 L6 1967 Chevrolet Chevelle 300 Deluxe 230/3

7 V8 1969 - 1974 Plymouth Road Runner 440/7

Intended for use on all GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads (recalibration of the ECU may be required when using this intake manifold design with OE ECU)

6L/V8 1975 - 1986 Chevrolet K5 Blazer 5

Catalytic Converter for 2004 Pontiac GTO 5.7L OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow tunnel-ram-intake-manifolds F-Body or Truck drive offsetsOverview: Keep the check engine light off with MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 49729. With features including free flowing mandrel bent tubing and highly corrosion resistant, stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state of the art metrology department uses the latest 3D scanning systems during research