http://www.racingbeat.com/FRmazda1.htm



>click on "Hi-Perf Exhaust systems" from the drop-down menu



>Click on "Street Port Exhaust System 1979-85 GSL-SE "



>Click "add to cart"



as far as the intake goes, i'd go on e-bay and do a search for "RX-7 Cone filter" and get one for 86-91, those should work just fine. You may have to drill new holes on the adapter but other than tha tit will work well :-)

Ah thank you guys, im internet illeterate..