TTI coated headers for a small block

most exhaust slipjoints will let go if you can just get it to rotate alitle and maybe get the tube to wiggle alitle, by basicly bend it back and forth some,this could however loosen up the slipjoint alitle more than what is good for reinstaling it without a clamp of some sort, i would give it a try,would proably have been alot easier if the rest of the flange was still bolted to the head or if the engine was out of the car and you could stand in the enginecompartment and be able to use alitle more strength
my TTIs were on the car for about 5years and where alitle hard to get apart but i got the sliptube loose fairly quick.
another good thing to think about is that you want the slipjoint to slide out straight if the force is apliaed in a way that makes the tube go just alitle out of line it will stick until you get the slipjoint straight again