The GasBox 1939 CHP Upsweep Mufflers
Authentic reproduction of the special muffler for the California Highway Patrol (CHP) as introduced in 1939, with upswept tail section and spot-welded seam construction. Designed for rigid frame Big Twins for which a special hanger bracket is available, too, but can be Custom fitted to most models with 1-3/4" pipes.
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