PA-12 and PA-14 Hot Rod Muffler

  P/N: AD10308-HR Price: $1,673.75 each Eligible On: Piper PA-12 and PA-14 Series Aircraft equipped with Lycoming Engines STC: SA02388AK FAA/PMA: Approved Material: Stainless Steel Purpose: Coreless muffler produces more horsepower than standard muffler. Installation: Installation instructions included with purchase. Otherwise, installation instructions can be requested from STC owner Butch Cavanaugh at (907) 376-7070. Misc. Information: Includes tailpipe, tailpip...
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PA-18 Front Exhaust Stack

  P/N: AD12457-012HD Price: $808.50 each Eligible On: PA-18 125 thru 150 HP STC: N/A FAA/PMA: Pending Approval Weight: 4.35 lbs. Material: 321 Stainless Steel Purpose: Heavy duty front exhaust crossover stack for Piper PA-18 series with Lycoming engines. Installation: Same as OEM. Misc. Information: Manufactured with heavier wall tubing, thicker flanges, and extra doublers to prevent cracking. Available with 180 HP extension tubes installed.                    ...
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PA-18 Hot Rod Muffler

  P/N: 3241-HR Price: $1,581 each Eligible On: PA-18 and PA-19 Series Aircraft STC: SA02273AK FAA/PMA: Approved Weight: 7 lbs., 4 oz. Material: Stainless Steel Purpose: Direct replacement for Piper P/N 12433-14. Installation: Installation instructions included with purchase. Otherwise, installation instructions can be requested from STC owner Butch Cavanaugh at (907) 376-7070. Misc. Information: Includes 2 piece muffler shroud, 1 tailpipe support rod, and 1 tai...
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PA-18 Preheat Shroud

P/N: 3182 Price: $252.25 each Eligible On: PA-18 Series Aircraft STC: SA02025AK FAA/PMA: Supplement 8 Weight: 12.5 oz. Material: 5052 Aluminum and 6061 T6 Aluminum Purpose: Approved replacement for P/N 14239-00. Installation: Same as stock shroud installation requirements. Misc. Info: Two piece split design allows for easier removal during inspections. Thicker aluminum lasts much longer than OEM parts.
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PA-18 Rear Exhaust Stack

  P/N: AD12457-013HD Price: $891 Eligible On: Piper PA-18 125 thru 150 HP STC: N/A FAA/PMA: Pending Approval Weight: 4.7 lbs. Material: 321 Stainless Steel Purpose: Heavy duty rear exhaust crossover stack for Piper PA-18 series with Lycoming engines. Installation: Same as OEM. Misc. Information: Manufactured with heavier wall tubing, thicker flanges, and extra doublers to prevent cracking. Available with 180 HP extension tubes installed.                        ...
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PA-18 Support Rod

  P/N: 3241-16 Price: $54 each Eligible On: PA-18 Series Aircraft STC: SA02273AK FAA/PMA: Supplement 2 Material: 304 Stainless Steel Purpose: Tailpipe support rod for PA-18 Hot Rod Muffler. Installation: Replaces Piper P/N 13003-00. Misc. Information: For use with PA-18 Hot Rod Muffler (P/N 3241-HR) and 3" clamps without pin (P/N AD-C-3000). 1 rod is needed per exhaust.
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PA-18 Tailpipe Extension

  P/N: 3241-EXT Price: $137.50 each Eligible On: PA-18 Series Aircraft STC: N/A FAA/PMA: N/A Weight: 1.15 lbs. Material: 321 Stainless Steel Purpose: Provides a 12 inch extension for the tailpipe to help keep belly of aircraft clean. Installation: Installs with one clamp, which is included with purchase. Misc. Information: Fits PA-18 standard tailpipes. Does not fit Hot Rod mufflers.  
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PA-18 Titanium Hot Rod Muffler

  P/N: 3241-HRT Price: $2,385 each Eligible On: PA-18 Series Aircraft STC: N/A FAA/PMA: N/A Weight: 2.8 lbs. for muffler (3.25 lbs. lighter than P/N 3241-HR and 3.4 lbs. lighter than P/N 3241) Material: Titanium Purpose: Fabricated from titanium for reduced weight. Muffler is coreless with a larger tailpipe diameter for increased horsepower. Installation: Installation requires cutting the lower cowl tailpipe opening to clear larger tailpipe. Misc. Information: ...
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PA-18-150 Muffler Shroud with 2 Piece Split

  P/N: 3236 Price: $448 each Eligible On: Piper PA-18-150 Series Aircraft STC: SA02024AK FAA/PMA: Supplement 8 Weight: 1.9 lbs. Material: 5052-H32 and 6061-T6 Aluminum Purpose: Direct replacement for Piper P/N's 12436-10 and 71261-08 Installation: Please see Installation Instructions. Misc. Information: Shroud is split into 2 pieces for easier installation and removal.  
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PA-18-180HP Front Exhaust Stack

  P/N: AD12457-012HD-180 Price: $1,086.50 each Eligible On: PA-18 with 180 HP conversions STC: N/A FAA/PMA: N/A Weight: 5 lbs. Material: 321 Stainless Steel Purpose: Heavy duty front exhaust crossover stack for Piper PA-18 series with 180 HP Lycoming engines. Installation: Same as OEM stacks. Misc. Information: These heavy duty stacks incorporate a heavier wall thickness material than the OEM stacks. Doublers are installed at the flanges and the short stack joi...
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Piper Muffler

  P/N: AD10308-003 Price: $757 each Eligible On: PA-12, PA-14, PA-16, PA-22, and PA-25 (S/N 722 and up) Series Aircraft STC: N/A FAA/PMA: N/A Material: Stainless steel Purpose: Exhaust system muffler. Installation: Same as stock muffler installation. Misc. Information: Supersedes P/N's 10308-000, 10308-003, 10308-00 and 10308-03. Repair station item only. Please send us your existing muffler via the carrier of your choice.  Part cannot be sold without the existing...
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