fishtail mufflers and tail Pipe extensions for Knuckleheads from 1936 thru 1947
Different-length Fishtail mufflers and extensions that will slip over any 1¾"-diameter Knucklehead head pipe on models from 1936 thru 1947. All measurements shown are overall lengths. Sold each.

1-7/8"-DIAMETER FISHTAIL EXTENSIONS
These extensions are not baffled.

605-KNU 31"-long straight
605A-KNU 31"-long straight Dago-type
605B-KNU 31"-long upswept
605-4-KNU 36"-long straight (not shown)
607-KNU 18"-long straight
607A-KNU 18"-long straight Dago-type
77C- Baffle for 17/8" tail pipe extensions
(10½"-long)


2½"-DIAMETER FISHTAIL MUFFLERS
606-2-KNU 30"-long Fishtail
606-KNU 28"-long Fishtail
606S-KNU Same as Paughco #606 with slider
for installation on the right-side of
the bike (not shown)
606SP-KNU Same as Paughco #606 with slider
for installation on the left-side of the
bike (not shown)
606A-KNU 28"-long Dago-type
606AS-KNU Same as Paughco #606A with slider
for installation on the right-side of
the bike (not shown)
608-KNU 22½"-long Fishtail
608S-KNU Same as Paughco #608 with slider
for installation on the right-side of
the bike (not shown)
608A-KNU 22½"-long Dago-type
608AS-KNU Same as Paughco #608A with slider
for installation on the right-side of
the bike (not shown)


3"-DIAMETER FISHTAIL MUFFLER

606-3-KNU-31"-long Fishtail

* NOT LEGAL FOR SALE OR USE IN CALIFORNIA

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Part#
Prop 65 Warning +

California Proposition 65 Warning WARNING: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov.

Shipping Information +

Items in stock will be dispatched within 2 business days. Once shipped, you will receive an order confirmation email with a tracking number. For items *built to order, shipping times may vary. To inquire about specific shipping times for custom orders or for products you are interested in, please contact us at info@paughco.com or call 1-800-426-2621. *Built-to-order items include Frames, Springers, Gas Tanks, Oil Tanks, Trike Products, and any product currently out of stock. If an item you've ordered is on backorder, you will be notified within 2 business days of placing your order.