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Are catalytic's interchangable for my 98 obw?

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I looking at replacing my 98 OBW 2.5 standard 5 spd exhaust system.

The biggest cost is the catalytic converters (fwd 44111AC233 &

aft 44111AC172) $2500.00 :eek:

 

My dealer parts told me I could use a 2000 or newer OBW one piece catalytic converters? Instead of the older 2 piece I have?

The cost is way cheaper 879.00 bucks for the 44139AE12A (auto)? Only I would have to move the mounting brackets (weld) and use different gaskets that it comes with? It has the same O2 ports? I haven't seen it yet, I'm just going by what he told me over the phone.

My question is has anybody else done this ? Will it work ? And which one piece did you use?

napa FTW 145 bucks on the last OBW cat I replaced. Direct fit replacement only thing I noticed that was different was the replacement had 2 O2 sensor holes but it comes with caps for the holes so u can block off the back hole on the cat.

 

dont pay 2.5k for a cat when napa offers the same cat for a 1/20 of the price

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