downpipe question

odie84

Member
:
2003 mazdaspeed protege
so with the downpipe field in slim pickings for our msp's I am venturing into making my own. In making my own I am using 2.5 exhuast tubing with pie cuts and a giant mandrel u bent tubing I ordered through summitt. The puzzle isnt that rough to piece together at all. The thing that is kinda making me worried is the heat. I am hoping to get some in put on this as far as what temps the turbo puts out, will the exhuast pipe handle the heat or am I wasting time. any input would be great thanks.
 
I'm not sure where you live but a custom DP should run $350-$500 unless. You just want to do it urself
 
I'm guessing you don't know how to fabricate or weld. Iv got 120 in it. My question again is about heat not where to outsource my project.
 
I'm running the 2.5 corksport power series exhaust. Figured I would just match it. Plus I don't know how with out deleting the ac you could get 3" in there. I finish my downpipe. Trying to figure out how to load pics now.
 
I'm running the 2.5 corksport power series exhaust. Figured I would just match it. Plus I don't know how with out deleting the ac you could get 3" in there. I finish my downpipe. Trying to figure out how to load pics now.
 
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IMAG0157_zps84c23a7a.jpg.html
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Im ordering the 3in from pope performance as we speak, so yes it will fit and if you plan on bigger turbo later and more power I would recommend going 3in. Well worth the money and less headache..
 
odie84 your pictures don't work. Any chance of you re-uploading them? I would be interested in how your downpipe turned out.
 
Pay that much for quality, plus as said before there are not many options. The work that is put into these cars is not all that easy. Its nice to be able to buy something you know will work and a part that has a name for its self. With these cars we need as much reliability as we can get. So if it works it pretty much worth the cost.
 
haha. poor guy getting ripped on. maybe he just wants to do it himself.
remember corksport used to make a 2.5" pipe which seemed to work just fine. im sure unless you upgrade to a really high flowing turbo it should be just fine. Id prob keep the stock one unless going to 3" though. lots of cracked manifolds but never hear of cracked s pipes.

$400 really isnt that big a deal for custom. my friend in port alberni paid like $1000 for his custom top mount turbo downpipe. $400 for limited production anything for limited production car, whatever. $800 for a manifold is where things get a little silly.
 
Does look good. I gotta give you that! Now lets put some power to it and see what it can hold, then maybe you can mass produce??
 
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