Reply to "ANSA Mufflers"

I recently cut open a set of GTS mufflers. No steel wool or washers are present inside the muffler can. Instead, the mufflers contain a perforated pipe that enters from the header side and runs the length of the muffler can. This pipe terminates into an end plug which is located between the two internal outlet pipe extensions (also perforated). There are also two perforated bulkheads that are perpendicular to the perforated pipe that further deaden the sound that escapes from the perforated inlet pipe.

The steel used in the muffler can is extremely thick (~ 1/16") and difficult to cut through with a die grinder. I would think that rust-through would be not normally be an issue on GTS mufflers. In spite of these being 30 yr old mufflers when I cut them open, they had zero rust inside.


Dave Bell

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Originally posted by ron norman:
There are no more original ANSA Mufflers available anywhere. Hall Pantera does not have any Group 17 Number 26 available. You can only purchase ANSA GTS Mufflers.

You can protect your original ANSA Mufflers by doing this very simple maintenance procedure. At the lowest point on the ANSA Muffler Cannisters is a pee hole. This hole allows candensate water and rain water to drain from the muffler cannister. If this little hole is plugged, you can count on your mufflers eventually rusting through, and you will not be able to replace them with original equipment. You can drill a small hole at the lowest part of the muffler cannister if the original hole is plugged and you cannot find it.

The original ANSA Mufflers have a design that has a very coarse type of steel wool at the inlet end that acts as a spark arrestor. The rest of the cannister is empty except for the perforated one inlet tube and two perforated outlet tubes.

The two perforated outlet tubes have a cap on them that has often been modified for more of a GTS sound by putting a long thin pipe into the tips and hammering to bend this 'washer' to one side. It is a delicate procedure because if the cap/washer comes loose, there is a permanent rattle in the muffler.

My ANSA Mufflers are currently undergoing open heart surgery for a different reason, which I will not mention. I am replacing the 'coarse steel wool' with metal shavings from a machine shop, because Brillo pads are made of copper and would fail in short order and steel wool is too restrictive.

The four (4) Exhaust Tips on the factory original ANSA Mufflers have a perforated tube which retains a packing material of fiberglass, for sound deadening. These factory original tips are still available from Pantera vendors.

Question:
Does anyone know what the inside of a GTS ANSA Muffler looks like? Or how it differs from the inside of an original ANSA Muffler?

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