high flow cats for 2004 hemi

710 Views 1 Reply 2 Participants Last post by Zlow28, Jan 6, 2012

Luke243

Discussion Starter · Jan 6, 2012

My buddy told me I dont need o2 censors if i were to get a set of high flow cats...is he totally wrong or is he right? I am looking to get a set of magnaflow high flows, could somebody also tell me what size inlet/outlet i need?

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