Straight Stainless Steel Exhaust Stacks

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Part# 33202/33203
MFR Model# 33202/33203


Basic exhaust pipes for Pitts Special, Smith Miniplane, Acro Sport, Starduster and many other homebuilts with Lycoming engines O-235 through O-360.

This exhaust system fits under the intake tubes, starting at the rear cylinders, around the front intake tube, then points aft. Two mufflers (P/N 33205) or two tail pipes (P/N 33204) can be used with this system.

With stainless swivel joints for vibration dampening and for positioning of tail pipes through 25 range. Wt. 7-1/4 lbs.

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Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Are the tailpipes included or must they be purchased separately?

They must be purchased separately. They will be either P/N#'s 33205 or 33204.

Q: Will these exhaust stacks fit the Lycoming O-235-C1B engine, fitted with Millennium cylinders? Also, what hardware is required to attach the tailpipe to the stacks swivel joint?

Yes, P/N 33202/33203 will fit the engine. This part # includes ball joint hardware kit to attach the system to the tailpipes.

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