Pacesetter exhaust manifold - "warm up cat"?
Hello,
I'm planning to get pacesetter manifolds to replace a cracked on on an XJ I'm buying this week. There are 2 different options, one with 2 bungs and one with 1 bung for O2 sensors (AFAICT). They are at: PaceSetter Jeep Cherokee 4.0L Header with Dual Outlet and Warm-Up Catalytic Converter https://www.morris4x4center.com/head...st-701190.html -or- PaceSetter Jeep Cherokee 4.0L Header with Dual Outlet without Warm-Up Catalytic Converter https://www.morris4x4center.com/head...st-701192.html This is a Virginia car with AFAICT, one cat. I'm bringing it into PA which also AFAICT has the same laws and tests. I have no idea if I need the one with 2 bungs or just one. Any advice would be great! Thanks! |
The header in link #2 is a cat delete, hence the extra pipe. Everything else looks the same to me. Do not delete the cat in PA as they want all emissions equipment intact. I do not remember what years get the sniffer, but my 97 did not. What year do you have? The 99 and older had one cat just before the muffler. Starting in 2000, XJ sold in California (and possibly New York, not sure) had 2 small pre-cats next to the engine. And 2000 sold elsewhere used the same 99 and older setup with a single cat.
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Originally Posted by fb97xj1
(Post 3553188)
The header in link #2 is a cat delete, hence the extra pipe. Do not delete the cat in PA as they want all emissions equipment intact. I do not remember what years get the sniffer, but my 97 did not. What year do you have? The 99 and older had one cat just before the muffler. Starting in 2000, XJ sold in California (and possibly New York, not sure) had 2 small pre-cats next to the engine. Other 2000 used the same 99 and older setup with a single cat.
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