Products | Aries Muffler

Products for the Model "A" Ford

Below are the products we manufacture at our facility in Southern Oregon:

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Aries Muffler

Our Model A Muffler is built to the original Ford specifications. Not only does it fit your car exactly as an original muffler, but it performs as well as or better than a NOS Ford Muffler. The dyno test confirmed that this standard and Original Ford design muffler will work perfectly on engines up to 85 horsepower.

Available in black painted steel or Stainless Steel.

Part A-5230-BS - black painted
Part A-5230-SS - stainless steel

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High Performance Muffler

We have modified the internal baffling of this muffler to provide a flow-through equivalent to a 2 ¼" round pipe. The inlet pipe being 2" inside-diameter, this means there is very little restriction in the muffler. Ford originally designed this muffler with a 1 ¾" inside-diameter rear tail pipe. We are finding that because the exhaust gases cool as they flow through the muffler, the smaller tail pipe works just fine, as the exhaust gases have cooled sufficiently to take up much less space. All gases (oxygen, nitrogen and carbon monoxide) expand or contract dramatically with only small changes in temperature. Available in black painted steel or Stainless Steel.

Part A-5230-HPBS - black painted
Part A-5230-HPSS - stainless steel

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Station Wagon / AA Truck Muffler

The Station Wagon and AA need a longer tailpipe to deflect exhaust out the rear of the vehicle. This is our standard painted steel muffler which has a rear extension welded to the rear of the muffler. This muffler will work with the A-5255-B tail pipe below. This muffler will also work on a AA truck, see link below for details on various AA muffler and tail pipe configurations. At this time we do not sell any AA tail pipe extensions, but the link has details on various types.

Part AA-5230-BS - black painted
Part AA-5230-SS - stainless steel

AA muffler installation and details: aafords.com/aa-chassis/aa-5230-muffler/

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Muffler Clamp

This clamp is made exactly to the original Ford drawings. Note the following features not found on other reproductions:

1. Made from steel - it will not break or crack and can be twisted and bent without breaking.
2. Bolts are Grade 5 high strength zinc plated. Fine Thread.
3. Nuts are small pattern brass.
4. The MARC judging committee un-officially says they cannot tell this one from an original.

All Clamps are painted with High Temperature Black Manifold paint.

Correct installation is essential to getting a leak-free seal.
Click here to read the installation instructions.

Part A-5251

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Stainless Steel Muffler Clamp

Same as A-5251 above but made from nodular stainless steel, will not rust, very strong and will not break. See photo of twist test.

Comes complete with zinc plated bolts and brass nuts. Can be painted black for "show" use.

Part A-5251-SS

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Permatex Muffler Sealer

Used between the manifold and the muffler inlet pipe to make a tight seal.

Use this muffler sealer to make a good seal at the 45º flare where it fits to the manifold. Dampen both surfaces with a sponge, apply a good coating all around on one surface, about 1/16” thick. At this point you should have the tail pipe clamp installed, but loose. Using a jack, gently push the muffler against the Manifold. Be sure the alignment looks good front to back. Then install the muffler clamp and tighten. Release the jack, and wait over night before starting the engine.

After starting and warming up, re-tighten the muffler clamp. This should be the last time you have to make any adjustments. Don’t forget to snug up but not tight the tail pipe clamp, just enough so there is no rattle.

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Tailpipe for Station Wagon/ Delivery/ Panel on passenger car chassis.

In January of 1931 Ford Motor Company made a recommendation to retrofit a longer tailpipe to all Station Wagons for safety purposes. The longer tailpipe keeps exhaust fumes from getting into the passenger compartments. If buying a new Aries muffler we will provide the short tail piece welded to the muffler, the new tailpipe, all clamps to attach it and the special spring bar. If you already have an Aries muffler, we will provide all of the items above and you will have to cut off the existing tail pipe and weld on the small piece we provide. This modification will only fit on an original equipment muffler or an Aries Muffler.

Our kit includes the tailpipe extension, three clamps, a rear spring clip and all bolts. We also include a rear muffler extension which must be welded to the rear of the muffler after the tailpipe is removed. If buying a new Aries muffler, we will weld this extension for you. Tailpipe may need modification if used with a non-standard length muffler.

Part A-5255-B

For photos of what the extension pipe looks like in a chassis, click here.

Tail Pipe Extension Kit Installation Instructions: click here.

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1928-29 Tail Pipe Clamp

Hi-temp painted with castle nut and bolt. All correct with 1" long, black oxide drilled bolt with castle nut.

Part A-5256-AR

Installation Diagram

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1930-31 Tail Pipe Clamp

Hi-temp painted with castle nut and bolt. All correct with 1.25" long, black oxide drilled bolt with castle nut.

Part A-5256-D - Loose fit on tail pipe

Installation Diagram

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1928-31 Tail Pipe Clamp - Insulated

Hi-temp painted with castle nut and bolt. All correct with 1.25" long, black oxide drilled bolt with castle nut.

Part A-5256-E - Loose fit and insulated

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1928-29 Stainless Steel radiator outlet pipe (lower return pipe)
Made exactly to the original Ford drawings
1. Mandrel Bent, no restriction at the center (pipe is round throughout).
2. Correct flaring of ends as per the blue print.
3. Petcock outlet is in the correct position (2 1/2" from the end).
4. 0.050" thick 300 series stainless steel throughout including petcock outlet.
5. This pipe will not rust out like other reproduction pipes.

Part A-8291-AR - Powder Coated Shiny Black over Stainless Steel..
We sandblast outside, mask the inside before we powder coat.

Part A-8291-ARB - Mill finish stainless steel.
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1929-31 Stainless Steel Radiator Outlet Pipe (Lower Return Pipe)

Made exactly to the original Ford drawings. This pipe will not rust out like other reproductions.

1. Mandrill Bent, no restriction at the center (Pipe is round throughout).
2. Correct flaring of ends as per the blue print.
3. Petcock outlet is in the correct position (2 1/2" from the end).
4. 0.050" thick 300 series stainless steel throughout including petcock outlet.

Part A-8291-B - Mill finish stainless steel.

Part A-8291-BP - Powder Coated Shiny Black over Stainless Steel.
We sandblast outside, mask the inside before we powder coat.

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Stainless Steel Upper Temperature Probe Pipe (Use at Upper Hose)

1. Flaring of ends done as Ford would have done it.

2. Outlet for Probe is 1/2" NPT.

3. .050" thick 300-series stainless steel throughout including outlet.

Part A-8256-PT - Mill Finish stainless ssteel

Part A-8256-PTB - Black Oxide finish stainless steel

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Inlet pipe for 1932 4 cylinder and 4 cylinder trucks up to 1934.

Made to Ford prints, steel with high temperature paint or stainless steel.

Part B-5250-BS - Black Steel
Part B-5250-SS - Mill Finish Stainless Steel

Products for the Model "A" Ford

Aries Muffler

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Available in black painted steel or Stainless Steel.​

Station Wagon / AA Truck Muffler

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Tailpipe for Station Wagon/ Delivery/ Panel on passenger car chassis.

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1928-29 Tail Pipe Clamp

1929-31 Stainless Steel Radiator Outlet Pipe (Lower Return Pipe)

Stainless Steel Upper Temperature Probe Pipe (Use at Upper Hose)

​Inlet pipe for 1932 4 cylinder and 4 cylinder trucks up to 1934.

Last Updated: 3/20/25

Available in black painted steel or Stainless Steel.

Inlet pipe for 1932 4 cylinder and 4 cylinder trucks up to 1934.