| Diagram | Fig. 11 — ENGINE FITTINGS AND EXHAUST SYSTEM · ref 22 |
| Listed in parts books | Not catalogued by year yet |
PIPE SET 500 TRI 58-66 LF
An exhaust pipe set for 500cc Triumph twins, catalog years 1958 to 1966.
Part number 70-3992/4 is a pipe set listed for the 500cc twins in the catalog years spanning 1958 to 1966. The description reads "PIPE SET 500 TRI" which places this with exhaust pipes rather than anything electrical or carburetor-side, despite how the part number might get filed in some systems.
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This is a set, meaning it covers the pair of head pipes rather than a single pipe, going by how it's listed. Beyond that our catalog entry is brief and we don't have more detail on this one from the records we've got.
If you're trying to match this to a specific bike, give us a call with your frame or engine number and we'll confirm fitment before you order. Exhaust pipe fitment can be picky between years and models even within the same displacement family.
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