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**THI** · 04-30-2024, 01:08 PM

I put Hooker Competition on my 1977 K20 with there matching 2-1/4" dual exhaust system (400 SBC/TH350/NP203) and everything cleared without an issue. Too bad I sold that truck!

04-30-2024, 01:08 PM	#5
THI Active Member Join Date: Jan 2017 Location: Traverse City, MI Posts: 173	Re: Header recommendations I put Hooker Competition on my 1977 K20 with there matching 2-1/4" dual exhaust system (400 SBC/TH350/NP203) and everything cleared without an issue. Too bad I sold that truck!