Exhaust Flanges

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

Exhaust ports are 2-1/8" tall.

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.

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

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).

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")

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"