Join Date: Nov 2017
Location: Canton Ohio
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I've been reading about a lot of cat issues. Is there a way to tell if they've been addressed other than to ask the owner? How hard is it to swap them out? There doesn't seem to be an abundance of room under the hood!
The cat issues really only seem to arise when maintenance is neglected such as misfires (excessive raw fuel entering the cats) or faulty pcv's (excessive oil entering the cats) and it seems to be a bigger issue on the earlier 6's (03-05). As far as replacing them I have not had mine off but the rear one looks fairly easy to get to from under the car the front is a completely different story I imagine by moving the radiator you could probably access it better the real problem would be the possibility of studs breaking off in the head because these engines are aluminum. If you get a later one (06-08- the exhausts are routed differently) you can gut the cats while they are still on the car with a long drill bit (I did this a few weeks ago), that is if you don't have emissions testing where you are.
2007 6 Hatch 3.0 V6 ATX
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Mods-tinted windows, trans cooler, triple gauge dash pod with Trans Temp-Oil Pressure-Voltmeter, EGR tube delete, TB coolant bypass, rear muffler delete, gutted cats/MF muffler
Mods to come- lowering springs,
Audio- OE NON-Bose HU with 4 Boss Audio door speakers powered by 1000 watt Crunch amp with OE Bose sub
Other Cars 07 charger 5.7(factory patrol car) 14 Jeep patriot 04 Ram 2500 5.7