i GOT a b16a1 and i just bought a DC 4-2-2-1 HEADERS For 90-93 integra(thats what the shop Recomend). The DC Headers only have 1 plug for the Sensor. But on my stock b16a1 headers i have 2 plug sensor... my question is does it matter if I only plug one sensor in? or do i have the wrong HEADERS?