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Home > Products > Exhaust > Knuckleheads > OTF Headpipe Sets
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photo of shotgun headpipe sets for knucklehead big twins

1¾" Shotgun Headpipes For 1936-1947 Knuckleheads

Choose from two Shotgun headpipe sets for rigid or swingarm frames. Use with tail pipe extensions or universal mufflers, and Paughco #725D “P” clamps to install. Heat shields are recommended for the rear pipes.

729D 24"-long headpipes ONLY for Knucklehead engines in rigid frames with kickstart transmission  $109.95
729D1 24"-long headpipes ONLY for Knucklehead engines in swingarm frames  $109.95
411BR Rear heat shield for Paughco #729D pipe set (not shown)  $80.95
412D1R Rear heat shield for Paughco #729D1 pipe set (not shown)  $80.95

Special Notes:
1) These pipes have less ground clearance than Original Equipment and may scrape on hard right hand turns. Do not use these pipes unless the front end is extended at least 4" longer than stock or serious injury may result.

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Use of the word Harley-Davidson, various model names and designations, and
OEM part numbers, are provided solely for reference and application information,
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Paughco sells Chopper parts, and aftermarket parts and accessories for Harley-Davidson,
Victory, Sportster, Fat Bob, Hydra-Glide, Duo-Glide, Electra Glide, Road Glide, Street Glide,
Super Glide, Tour Glide, Dyna Glide, Dyna Wide Glide, Road King, Softail, Fat Boy,
Heritage Softail, Springer Softail, Low Rider, 45, Flathead, Knucklehead, Panhead, Shovelhead,
Evolution, Blockhead and Twin Cam motorcycles. We also sell Bagger-Werx, Yankee Engineuity,
La Rosa Design, SAS, and Performance Machine parts for your Harley-Davidson® motorcycle