sorry about that...its for the V6. the cast and the tps has "holley" stamped into it. the inside appears to be a "fuzz" bigger incomparison to my 98 TB
98 Avenger OEM wire set w/ 60k on them= $15.00 plus flat ship 98 Avenger OEM Cd/tape player with upper right mounting tab cut off= $25.00 plus flat ship
i bought a 3" exhaust through them. it said that tubing was 100% ss....which was true, but the flanges, muffler, and res were not. i tested it with a magnet...magnets dont stick to ss... or alloy.
i would put money on the collector and flanges are chromed steel...
so like jusbringit was saying, i would think the difference in metal types might make welds crack...especially the high temp of the header