So,
Was looking at putting headers on but my car sits 23.5 inches from the ground to the bottom of the center of my fender.
The issue is a concern that it might be too low for headers, so I am looking at getting some Ram Air exhaust manifolds instead. I just ordered Speedmaster heads that were on sale last week with the RAM Air style ports as my engine is almost complete and have been wafting on Edelbrock heads for some time now.
So has anyone else used the aftermarket Ram air exhausts and what kind of horsepower difference would their might be?

Also, any recommendation on headers that have better low clearance than others if there is such a thing

Thanks