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67-69 Firebird 326-455 Long Tube Blk Ctd ; Doug's Long Tube Header 67-69 Firebird 326-455 1 3/4" Primary 3" Collector Black Hi Temp Coated D569-B

68-72 Buick Long Tube Silver Ctd ; Doug's Long Tube Header 68-72 Buick 400-455 Buick V8 1 7/8" Primary 3" Collector Silver Ceramic Coated D202

68-72 Buick Long Tube Black Ctd ; Doug's Long Tube Header 68-72 Buick 400-455 Buick V8 1 7/8" Primary 3" Collector Black Hi Temp Coated D202-B

70-81 Firebird 326-455 Long Tube Slvr Ctd ; Doug's Long Tube Header 70-81 Firebird 326-455 1 3/4" Primary 3" Collector Silver Ceramic Coated D570

70-81 Firebird 326-455 Long Tube Blck Ctd ; Doug's Long Tube Header 70-81 Firebird 326-455 1 3/4" Primary 3" Collector Black Hi Temp Coated D570-B

70-81 Firebird 455 HO Long Tube Slvr Ctd ; Doug's Long Tube Header 70-81 Firebird 455 W/HO/SD/Ram Air Heads only 1 7/8" Primary 3 1/2" Collector Silver Ceramic Coated D581

70-81 Firebird 455 HO Long Tube Blck Ctd ; Doug's Long Tube Header 70-81 Firebird 455 W/HO/SD/Ram Air Heads only 1 7/8" Primary 3 1/2" Collector Black Hi Temp Coated D581-B

68-72 Buick Long Tube Stainless; Doug's Long Tube Header 68-72 Buick 400-455 Buick V8 1 7/8" Primary 3" Collector 304 Stainless

68-72 GTO 326-455 Long Tube Silver Ctd; Doug's Long Tube Header 68-72 GTO 326-455 W/O EGR/A.I.R. 1 3/4" Primary 3" Collector Silver Ceramic Coated D590

68-72 GTO 326-455 Long Tube Black Ctd; Doug's Long Tube Header 68-72 GTO 326-455 W/O EGR/A.I.R. 1 3/4" Primary 3" Collector Black Hi Temp Coated D590-B

65-76 F-100 390-428 Long Tube Silver Ctd; Doug's Long Tube Header 65-76 F-100 352-390 FE Motor Non Cat, no EGR or A.I.R. 1 3/4" Primary 2" Collector Silver Ceramic Coated D603

70-81 GM F & A Body BBC Long Tube Stainless ; Doug's Long Tube Header 70-81 GM F & A Body 396-502 BBC Non Cat, no EGR or A.I.R. 1 7/8" Primary 3 1/2" Collector 304 Stainless