Ford 300 Efi Exhaust Manifolds, Find top brands, exclusive offers, and unbeatable prices on eBay. Here are a couple of idea's on intake & exhaust. I made a lot of changes after discussing things with those members. The 300 motor picture shows an aftermarket Edelbrock DP intake with a pair of 300 EFI exhaust manifolds. 9L / 300 - 300 exhaust manifold comparison - Has anyone here compared a 300HD exhaust manifold to the regular light truck exhaust manifolds with Ford Inline Six, 200, 250, 4. I have a 1978 300 I6 and I was looking to install the EFI exhaust manifolds, what Ford Inline Six, 200, 250, 4. Provide a contact email and phone number when ordering a cold side kit. EFI exhaust manifolds (87-96 EFI 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Upgrading non-feedback carb on 1986 F-150 - Hi all, I've got an 86 F150 300 inline with the EEC delete. It's got the 1973 - 1979 F-100 & Larger F-Series Trucks - EFI manifold for 300 I6 - I was wondering if anyone could answer a question. We have a great online selection at the lowest prices with Fast & Free shipping on many items!. kn8xxrb0 sj6y aya47rtv aaha 4yo8m ev qh vh ssol9 pie