"FLOWTECH Super Street Dual Exhaust Kits offer a top quality, custom fit dual exhaust system at a price that couldn't be more affordable. Kits include everything from the header flange back to the tailpipe, excluding mufflers. These heavy duty 16-gauge systems offer the maximum in versatility. Available for either header or stock manifold applications, FLOWTECH Super Street Dual Kits were designed to locate all components above the frame. All systems feature factory exit locations and all parts and instructions are included."Specifications: Brand Flowtech Exhaust Category Exhaust Emission Code 4 Exhaust Series Flowtech 3390 Performance Material Aluminized Steel 1174 None Product Type Exhaust System Sound Level Pipe Only Sub Category Exhaust and Tail Pipes System Type Header-back Tips Aluminized Tube Wall Thickness 16 Tubing Diameter 2.25 Type of Exhaust Header Back Type of Muffler None Warning California Proposition 65 Description_ABR SYS 70-74 CH Description_SHO SYS EXH 70-74 CAMARO Description_INV EXH SYS 70-74 CAMARO 283-400 Description_ASC For direct fit using headers 51555FLT kit should be used with Flowtech Headers p/n 11100FLT, Required Muffler "inlet and outlet" tube size is 2.25", Suggested mufflers: TERMINATOR p/n 50121FLT or RAPTOR p/n 50051FLT. Description_DES Flowtech Header Back Exhaust System Description_EXT Super Street Header Dual Kit, Fits 1970-1974 Camaro & Z-28, 283-400 Engine, See "Installation Notes" for specific fit requirements. Description_MKT "FLOWTECH Super Street Dual Exhaust Kits offer a top quality, custom fit dual exhaust system at a price that couldn't be more affordable. Kits include everything from the header flange back to the tailpipe, excluding mufflers. These heavy duty 16-gauge systems offer the maximum in versatility. Available for either header or stock manifold applications, FLOWTECH Super Street Dual Kits were designed to locate all components above the frame. All systems feature factory exit locations and all parts and instructions are included." Description_FAB Heavy Duty 2.25" 16-gauge tubing for increased performance Description_FAB Header-Back Dual Exhaust Pipe Kit includes all installation hardware Description_FAB NOTE: Mufflers not included. Description_FAB Aluminized Steel This Part Fits: Year Make Model Submodel Notes 1970 Chevrolet Camaro Base 1970 Chevrolet Camaro Base 1971 Chevrolet Camaro Base 1971 Chevrolet Camaro Base 1972 Chevrolet Camaro Base 1972 Chevrolet Camaro Base 1973 Chevrolet Camaro Base 1973 Chevrolet Camaro Base 1974 Chevrolet Camaro Base 1973 Chevrolet Camaro LT 1973 Chevrolet Camaro LT 1974 Chevrolet Camaro LT 1970 Chevrolet Camaro RS 1970 Chevrolet Camaro RS 1971 Chevrolet Camaro RS 1971 Chevrolet Camaro RS 1972 Chevrolet Camaro RS 1972 Chevrolet Camaro RS 1973 Chevrolet Camaro RS 1973 Chevrolet Camaro RS 1970 Chevrolet Camaro SS 1971 Chevrolet Camaro SS 1972 Chevrolet Camaro SS 1970 Chevrolet Camaro Z28 1971 Chevrolet Camaro Z28 1972 Chevrolet Camaro Z28 1973 Chevrolet Camaro Z28 1974 Chevrolet Camaro Z28