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Fit 1938–1947 Knucklehead engines (sold in sets of 4)
A 2-into-1 system or an upsweep Shotgun rear pipe combined with an inside-the-frame front ‘squish’ pipe
1) Straight pipes are not recommended for use on the street
Use Paughco #725A clamps to attach these pipe sets to the exhaust ports
718D Replacement hanger bracket for Paughco #734 series pipe sets
Exhaust Systems For 1984 - 1999 Evolution Softails PART #:731SMEG Fit 1938–1947 Knucklehead engines (sold1 3 4" Exhaust Systems For 1984 1999 Evolution Softails These staggered dual muffler sets will fit all Softails with Evolution engines from 19841999, including FL Softails with floorboards. They all include a Paughco #718H8 mounting bracket to ease installation. Heat shields are recommended. 731SM* 38" long Slash Cut muffler set 731SGM* 38" long Goose Cut muffler set 731S2M* 38" long Super Slash Cuts 731SMEG* 38" long Megaphone muffler set 731STM* 38"
