Normal
Mark where the header is close or touching the frame, pull the header, heat and dimple accordingly. You will see ZERO change on a dyno. It ia all in the installation and you rshop should have fixed the problem during installation. Heat wrap the headers where there is clearance. You engine compartment will thank you.I do not have headers on my truck but have installed many on other vehicles I have owned. My Truck /boat isn't fast enough to warrant headers and deal with Kaliforia Smog SHT>
Mark where the header is close or touching the frame, pull the header, heat and dimple accordingly. You will see ZERO change on a dyno. It ia all in the installation and you rshop should have fixed the problem during installation. Heat wrap the headers where there is clearance. You engine compartment will thank you.
I do not have headers on my truck but have installed many on other vehicles I have owned. My Truck /boat isn't fast enough to warrant headers and deal with Kaliforia Smog SHT>