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Manifolds are not a terrible way to go. They are in many cases, a better flowing design then other brands cast iron options. Bear in mind the FAST (factory appearing stock tire) class of racing that go rediculiously fast through stock manifolds. I would take the time to clean up the ports...

Resonator is auxillary muffler, normally glass pack shaped, that aids in sound cancellation. I agree with the others, many of the glass packs out there are not much bigger then the piping diameter itself, so they don't eat too much real estate. Run as long as possible. You might be able...

I prefer Magnaflow on mufflers.

To someone with the ability to do this, it is more of a convenience factor then anything. in my meager opinion.

Are you planning on doing this yourself? Yes, there is probably enough bends in those headers to make it work. I would not expect a fabricator to want to do it this way, as they probably have access to loose mandrel bends, which would be easier to work with. If you intend to do it, a...

Loudest would probably be a small bullet style glasspack dumping underneath. I have a Thrush welded (Flowmaster 40 series equivalent) dumping at the axle, with 2.25 tubing. Idle and low RPM gives a (flack jacket installed) 5.0 Mustang Flowmaster sound, that changes into slant 6 sound at WOT.

What is the primary tubing diameter on these headers? What size is the collectors? Are these sizes appropriate with everyone, or is there a better / more ideal configuration? Would you want them with the a 3 bolt header flange, 2 bolt ball type flange, or as seen with straight flange?

What are these selling for (when available?)

Maybe someone could post pictures of these headers? They cannot be that hard to make?

Super Turbo or Magnaflow is my opinion. Dynomax has their Thrush family of mufflers, that has a few 3 pass "turbo" style of mufflers that would do well for what you want.

Has anyone tried using shorty headers intended for Magnum engines from Dakota or Ram, in A body chassis? I am particularly interested in 70-76 as opposed to earlier A body applications? Are are the exhaust ports the same on LA and Magnum engines? I thought they were but not completely sure.

:dontknow:

Impressive. A true gentlemen can admit the mistake, and convert disbelievers into believers (and possible customers). I do believe there is a strong market for a quality, 3/4 length header in various materials. Mopars with the "drag link through the primaries" suck, plain and simple. A set of...

I agree, the are gorgeous pieces. While I understand why some applications need equal length, I am willing to be 99.9% of the POTENTIAL customers on this site do not need the equal length. His post reads that he will only do it his way, people on the forums don't want to spend money, and...

That post does not make you sound too pleasant. Unequals would do just fine on a STREET based application, that does not need THE BEST of everything. So one cylinder is longer the another, the intakes are not perfect for distribution, rich in the center and lean out on the ends. IF you decide...

Contact "DOC" on slantsix.org I have not run personally, but they are loved by the slant community.

Their welded is more like a Magnaflow, straight through, but it is closer to Flowmaster then turbo. The 'turbo' is a 3 pass muffler, with the fiberglass packing for sound absorption.

Side note: Many of the ceramic manufacturers, will lifetime warranty the coating, but only on brand new headers. You might want to check their rules out....

Magnaflow, long body units. Will be reasonble sound at idle and cruise, but screams when at WOT.

It is DEFINATELY a Flowmaster knock off. It is identical externally, but if it were an actuall branded Flowmaster, it would be stamped with their name along the seam on the top/underside, kind of like the end "INLET" like this:

Sadly, it is not going to be this weekend. Holiday weekend and all, they decided to close for the long weekend. I will try to reschedule for another time.

I thought about doing it myself, I have the welder, and they will provide me the bends (I am designing up the turbo system in my head, counting bends, etc that will come from them) but I am going to have them do it for a couple reasons: Fishing 3" (still undecided) on an A body is probably best...

Keith Mopar, that is very close to what I am having done, but the muffler is pre-axle. The guys doing it are a semi-local muffler shop (hour drive for MPG Experiment) :D but they can mandrel bend. So they are going to build it from mandrel bent sections, much like yours.

It will be a single system, from trans to bumper. I am considering the 3" to the muffler, and 2.5 out, but we will see. My gut says 3" to keep backpressure down as much as possible once the turbo is installed. The 3" may be way too much for NA but it forces me to follow through with the...

Let me clarify. They can mandrel bend either 2.5 or 3" He thinks he can get either one over the axle.

Next modification on my Dart Lite, is exhaust. Currently has single system, that Y off into 2 or 2.5 dual, 12" glasspacks, and crushed tailpipes that rattle and bang on everything. My local customer will bend me 2.5 or 3" (these are the sizes they can mandrel bend). They will come off...

Ohhh, he didn't go there did he?

I absolutely agree. 2.5 inch system from one of the above vendors, plus a couple bucks at the local shop, to make the manifold to intermediate pipes, and you will be golden. 2.5 might be slight overkill, but it will allow it to breath, and it should handle just about anything else that might...

I would take the parts he is giving you, get the Summit kit, and have a local muffler shop join the manifolds to the summit system. Manifolds versus headers is the BIGGEST concern/obstacle with Big Block conversions in A bodies. If you are comfortable with the manifolds for a while, then...

Ultra flow = Dynomax