Exhaust upgrade
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Join Date: May 2011
Location: Vermont
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Year: 2000
Model: Cherokee
Engine: Str8 6 4.0l
Exhaust upgrade
Has anyone removed the pre cats after the manifold and used an older jeep header with just the downpipe no o2 sensors, I know it will throw a code and make the dummy light turn on. Wondering if anyone has done this what there thoughts or experiences were. Anyones thoughts for that matter but would love to hear from someone who has. Thanks for reading. The reason being I have access to a Gibson header off a 94 Zj and while I'm doing my head gasket I figure I could upgrade.
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