Sorry, forgot about this thread. The RB SP system is dual back to the muffler and then
single into the muffler with dual tips out.
http://www.racingbeat.com/RX7-1975-1...ems/16422.html
Some folks have run true dual and mounted 2 oval mufflers mounted side by side in place
of the stock or RB muffler. Don't have a pic handy of that. Similar routing.
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1980 GS stockport, Fat Nikki, RB Dual Facetfuel pumps, Holley regulator, RB Street port exhaust, 2GDFIS, MR2 MK I electric fans, 2G strut bar, relayed fans, lights and fuel pump, LEDs
Project Fat Nikki Budget 12A rebuild Video setup < $30.00