Though some people like SS parts, after a while with the contracting and expansion, from what I've heard they tend to crack which may explain the 1 yr warranty. I could be corrected. I also am not sure if it'll fit possibly due to clearance issues, but I haven't heard good things about 4-1 headers off ebay. someone else would do this, so let me: just think about it it this way when you compare the prices on ebay, you get what you pay for:
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
Thanks guys. I have an exhaust leak on the engine side of the cat. and I am just trying to keep it road worthy. When I saw the price, I almost jumped at it. The pacesetters are not that much more in the grand scheme. I am going to see if my long time exhaust man can fix it up first. Thanks again!
Second, you will not see much gains from a header of that style.
You can get good gains by porting the stock exhaust manifold or get a straight tube 4-1 header (good luck, I don't know of anyone that makes one, perhaps get one custom made)
A long tube header will give you the most gains but only a set or 2 exists to my knowledge.
Either fix what you have or spend the extra on a coated header. Stay away from stainless steel. DC Sports, OBX, Greddy, Pacesetter, etc... are all decent headers.
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