I'm lukewarm on the Pypes transverse system, as installed by me on my 1977 Trans Am. The tailpipes are absolutely horrid. No reason a splitter tip tailpipe could be marketed other than pure laziness. Also, the tailpipes interfere with the drivers side axle brake hose, and runs dangerously close to the main fuel line, also on the drivers side. Probably not an issue on the early 2nd gens, but a PITA for 1977 owners..
The sound and performance are the ONLY bright spots, as the tailpipes with the extra adapters for the splitter looks like warm crap.
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1976 LeMans B09 Freeway Enforcer, 455/M40 Smokey
1977 Trans Am, 400/M21 Black/Gold Bandit. 44K actual miles
2017 Sierra SLT 1500 Z71 4X4 
2019 Canyon SLT Crew 4X4 
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