This crossover pipe fits all 1970 to 1980 models*, plus it is the FRONT crossover pipe on '81-'84 models* - correct for both 38mm and 40mm exhausts. Includes 2 crossover pipe clamps.Without question, Keihan offers the finest replica mufflers and head pipes available for your 1970 and later Air-Head. KEIHAN pipes are not only built like the originals inside and out, they sound like the originals too. You get impeccable craftsmanship (noticeably better than stock!), and best of all, the lifetime durability of STAINLESS STEEL! Made in Great Britain.Keihan components will mix and match with stock exhaust parts!*Except R65, R65LS, R80G/S, R80ST
