Direct Fit Replacement Exhaust System 106 0655 pistons rings rods and parts Holley's NEW EFI Throttle Bodies seatbelts and accessories Holley's NEW EFI Throttle Bodies are unquestionably the BIGGEST BORE MOST FEATURE LOADED units available on the market today Application 1970 1974 Camaro Firebird Brand Hooker BlackHeart Emission Code 8 Engine GM Gen III IV IV (LS LT) Exhaust Series Hooker BlackHeart Finish Natural Inlet Diameter (in) 3 Material 304 Stainless Steel Outlet Diameter (in) 3 Product Type Exhaust System Rear Suspension Stock Single Dual Dual Sound Level Aggressive Moderate Subframe Stock System Type Header back System Type Swap Tube Diameter 3 inch Tube Material 304 Stainless Steel Tubing Diameter (in) 3 Type of Component Exhaust System Clamping Type U Bolt Clamp Clamps Included Yes Exhaust Tip Finish Aluminized Exhaust Tip Material Aluminized Steel Exit Position OEM Location Gasket Or Seal Included Yes Hangers Included No Includes Catalytic Converter No Inlet Connection Type Bolt On You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box