on my saturn I had a straight through pipe.. we drilled a hole and welded in a bolt the same size at the o2 sensor.. the 02 would screwed in the bolt.. on my saturn it didnt throw any check engine lights.. not sure what it would do on this car though..? I made the test pipe so I could take it on and off.. but it was more time consuming than I thought to actualy take it on and off.. since the bolts were hard to get to and the bolts would kinda rust and were hard to loosen..
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