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Exhaust Flanges

Mazda Exhaust Flanges
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  • 04-11 Rx8 Steel Exhaust Flange (ARM-58)

    04-11 Rx8 Steel Exhaust Flange 1/2" Thick

    Exhaust ports are 2-1/8" tall.

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    • $75.00
    Sorry, we only have 970 of that item available

  • 74-95 13B Mild Steel Exhaust Flange (ARM-53)

    Fits any 13B rotary engine from 1974-2002.

    Used to fabricate a custom exhaust system for any 13B rotary engine except for rx8.

    Mild Steel

    • 1/2" Thick
    • 2-1/2" inside diameter exhaust ports.
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    • $35.00
    Sorry, we only have 952 of that item available

  • 74-95 13B Stainless Steel Exhaust Flange (ARM-54)

    Fits any 13B rotary engine from 1974-2002.

    Used to fabricate a custom exhaust system for any 13B rotary engine except for rx8.

    Marine Grade 316-Stainless Steel

    2-1/2" Diameter Exhaust Sleeves, large enough to run exhaust pipe into the holes and weld them directly.

    1/2" Thick

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    • $125.00
    Sorry, we only have 957 of that item available

  • 90-05 Miata Exhaust Flange (16173)

    We offer this cast-stainless steel 2.5" ID flange for use in many custom applications.

    This flange measures 12mm" thick (.5"), has 13.5mm" diameter mounting holes spaced 100mm (approx 3.93") apart (from center-to-center).

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    • $39.95
    Sorry, we only have 991 of that item available

  • 04-11 Rx8 Racing Beat Stainless Steel Exhaust Flange (16168) - NLA

    No Longer Available, but we still make our Rx8 Steel Exhaust Flange.

    Stainless Steel Engine-to-Header Flange (Renesis 13B) - This engine-to-header flange can be used to fabricate a custom exhaust system for a Renesis13B engine. Tubing This sand-cast flange incorporates the OE exhaust air injection ports which are critical for correct emissions operations. If you are utilizing this flange for the development of a racing or off-road header we offer an optional cover plate that can be used to seal the air injection port inlet.

    Supplied with this header are four (4) stainless steel plugs that are needed to seal openings in this casting. (The openings are a result of the machining process required for the air injection supply configuration. These openings are normally sealed when this flange is used during the assembly of our RX-8 header.) If needed, an engine-to-header gasket is available separately.

    This flange requires the use of 1.75"OD tubing material for the fabrication of the primary exhaust tubes.

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    • $189.95
    Out of stock

  • 20B Stainless Steel Exhaust Flange (ARM-47)

    Fits any 20B rotary engine.

    Used to fabricate a custom exhaust system for any 20B engine.

    Stainless Steel

    • 1/2" Thick
    • For 2" exhaust pipe. (ID is 2.05")
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    • $175.00
    Sorry, we only have 975 of that item available

  • Rx8 5 Hole Exhaust Flange (ARM-52)

    Want to use more exhaust ports? Now you can.

    If you ever wanted to use GSL-SE 13B rotor housings and Rx8 side housings together for maximum exhaust flow it is now easier to do with our exhaust flange.

    Just don't ask us for an exhaust gasket.

    Rotor Ports measure: 2-3/8" inside diameter

    Square Ports measure: 1-9/16" X 2-1/2"

    Thickness: 1/2"

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    • $125.00
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