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Originally Posted by TS87FC3S
Thanks both were big help now just one last thing i need to know is my engine is the 6 port and i want to do away with the air pump and new exhuast what do i have to do to keep the 5th and 6th ports working
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u have an s4 which operates the 5th and 6th ports off exhaust backpressure so u can remove the air pump. on the s5's the ports were actuated by the air pump. with ur car just make sure if u buy a header that it is for the 86-88 N/A engine and has the backpressure tube for the ports. the racing beat header does but the racing beat "road race" header doesn't have the backpressure tube.