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Old 05-19-2002, 15:20   #1 (permalink)
longjohn1
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mild steel or stainless steel?

about to do my exhaust(anothe exhaust question),is it worth the extra to do stainless ,and is there any benefits in having a s/s system?
Iam looking at running pacemakers,3in cat and magnaflow muffler ,and mandrell bending all in 3in piping.
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Old 05-19-2002, 17:10   #2 (permalink)
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IMO S/S is a waste of money unless you plan to keep your car for 20 years or more.
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Old 05-19-2002, 17:49   #3 (permalink)
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I believe there are small performance advantages for s/s systems, to do with retained heat, speed of gas flow, blah blah.

I'll agree with Falcoon and say that unless your looking for the last bit of performance (ie me :s6: ) or plan on keeping your car for some time (me again), then it's probably best to lean towards mild steel.
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Old 05-19-2002, 18:40   #4 (permalink)
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Correct me if I'm wrong, but isn't your car an XR6? If so, unless you're gonna run some type of forced induction, 3" on a 6 cyl is overkill and will actually loose performance. I'd suggest you do it in 2 1/2" mandrel bent piping :s4. S/s would be nice, but it comes at a price.
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Old 05-19-2002, 22:34   #5 (permalink)
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I believe there is a noise difference between mild and stainless. I once got a s/s header pipe (from stock cast iron header to cat) and it was the worst thing I ever did - the bastard drones like mad at around 100. Plus it looks rusty, so I dunno what's going on.

How do you avoid droning in an exhaust? Mine sort of pulses between loud and really loud at about 1-3Hz depending on speed and acceleration. But I think the weather has an effect (ie. temperature) because it doesn't always do it.
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Old 05-19-2002, 23:35   #6 (permalink)
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Ryan is correct, a 3inch system on an XR6 is overkill.
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Old 05-19-2002, 23:48   #7 (permalink)
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Quote:
Originally posted by BRING_BACK_XF

How do you avoid droning in an exhaust? Mine sort of pulses between loud and really loud at about 1-3Hz depending on speed and acceleration. But I think the weather has an effect (ie. temperature) because it doesn't always do it.
Might be to do with the quality of your muffler. I recently got a new "cheapie" rear muffler put on my EB (stock 6cyl system) and now it drones ever so slightly, never used to with the original muffler. Maybe a reasonater might fix your problem.
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Old 05-20-2002, 02:30   #8 (permalink)
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thanks guys,
many of the exhaust places say mild steel but the more up market say s/s, but i would save my money and put it to my suspension upgraded ,
cheers
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Old 05-20-2002, 10:15   #9 (permalink)
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Simple answer. You MUST use S/S up to the cats. After that it's up to you.
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Old 05-21-2002, 07:40   #10 (permalink)
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Quote:
Originally posted by Aussie Pete
Simple answer. You MUST use S/S up to the cats. After that it's up to you.
If this has been covered else where then tell me, not wanting to create another long post on exhausts, but can I ask why MUST you use S/S up to the cats?

I don't mean to question you but the last quote i got was for mild steel Pacemakers. The exhaust guy at a Profix dealership said that they would be fine. I did price both.

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