I went from 2.5 Stinger to 3" MAC and picked up 6 rwhp.
did the 03/04 cobras fair any better? I'm looking for a cheap, quiet (I'm over my flowmasters) cat-back exhaust to go with the IRS in my thunderbird; will be modded to bolt up to my current 2.5" h-pipe...
Might want to look into a Dynomax Super Turbo or Quiet Flow set up if cheap and quiet are your two main priorities.
Dyno Max Super Turbo's are super quiet. I had them on my 96 Cobra. I ordered them for my 04 Cobra through Summit, and found out they do not make a Super Turbo 2-1/2" muffler for an IRS car. The inlet/outlets are wrong. If you want a Dyno Max, they told me I must go with a Race Magnum in a 3". I did not, so I just returned them. I was pist, because my 04 is pretty damn loud.
Yeah, the Mustang IRS mufflers need inlet and outlet ends on the same side, unlike having them on opposite sides like the GT.
If the O/P above is using them for his T-Bird though (which I'll assum is an '89-'97 since it has IRS) then he needs a muffler with an offset on one side and center on the other.
...in which case the Dynomax Turbo 17733 C/O with 2 1/2" diameter at both ends will be what he's looking for. You could probably make in work for your Cobra as well, but you'd have to do a little cutting and pipe extending to make it work.
Not sure if you'd be up for that though?
They do make Ultra Flo Welded Mufflers for your car, but only in 3" diameter...which would in turn require you to neck down the exhaust pipe and probably increase sound a little. PN 17232. In any case, I'm sure they'd be much quieter than the Race Magnums?
Wait, so you need an exhaust for an 01 Cobra or for your T-bird?
Negative, his T-bird is completely different from yours as well. That is a Fox chassis with a solid rear axle.I think he's under the impression that since both cars use IRS set ups, that they must have similar exhaust sytems....which they do not. Not even close really.
Negative, his T-bird is completely different from yours as well. That is a Fox chassis with a solid rear axle.
Any exhaust for the SVO will fit it. Here is a place that has the whole system with a 3" down/mid pipe and a dual 2.5" cat back all for $300 brand new.
STINGER PERFORMANCE PARTS - 2.3 Turbo Performance Parts for Mustang SVO, Thunderbird Turbo Coupe, Merkur XR4Ti, Pinto, Ranger, and Sand Rails
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