When I first worked @ BH, circa 1990-1991, we carried two versions of what was referred to as a "merged" header, in 1-1/2" (from Phoenix). I can almost remember the part numbers... but it's been 20+ yr.
Anyway one was like the one that is more familiar to most today, longer collector where 4 pipes actually "merged" and used J-pipes that came with header, which were closer to case than heater boxes or replacement J pipes. Then we also carried what we used to call "street merge" which was 1-1/2" (I think) and the collector was more like a street extractor. I think your usual single muffler or duals would bolt to it, where the competition one required merged "duals". I seem to remember the street merge came with J Pipes.
Then we stocked 1-5/8 and 1-3/4" (big flange), in addition to the Bug, TII, TIII and 181 extractors. One entire container in the back lot was all Phoenix headers and mufflers. And all the different mufflers, single QP, dual QP and for a while the hide a ways that went UP into the RR fender (just chrome tip peeked out from under fender lip). For a while, the Turbo Trip mufflers for merged were the hot sellers and "the" muffler to run before we saw the wave of A1-type mufflers in Northern CA, circa 1996-97. Think I bought mine in '96 from Roger @ Heads Up. I actually liked the tone of the Turbo Trip mufflers on a good street car.
The good old days
The Cal-look Lounge
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