installing a high flow cat

[kraziematt]

Does anybody know where i can find some instructions on how th install a high flow cat?I bought one from bay and of cours it came with no instruction.Please if anyone can help i am dying to put it on ,and want to do it my self it more satisfying that wayI think you guys can understand that,anyway please help someone.

[Red coupe]

never done it but I though you just unbolted the old one, then bolted in the new one...isnt the cat pretty much exposed and held in by a few bolts?Just make sure to replace the gasket, and spray some pb blaster on the bolts and let it sit a while first.

[grimple1]

What year is the car?

[9240sx]

1.Jackup the car and putt some jack stands.2.WD-40 all the 10mm bolts holding the cat's heat shield on,remove shield.3.WD-40 the four 14mm nuts holding the cat to the downpipe and exhaust.4.Remove four 14mm nuts,Then remove the cat.5.Install new cat and new gaskets.6.Torque down 14mm nuts or bolts.Dont forget to bolt down the exhaust ground.7.Check for leaks.Done and Done

[kraziematt]

thank you for the info.I didnt thik it would be that hard to do

[Iamjohnhayes]

please tell me you can not see right thru this cat if you look from the inlet to the outlet (at least if you do care about emissons) because if you can as in it looks like a big empty pipe then you just bought yourself a test pipe (which isnt bad if you dont care) and you will fail 90% of emissions tests

[slipnfall]

I've been looking for a replacement catalytic on ebay, and have had a *very* hard time finding anything other than test/resonator pipes.

[40daws]

Bought mine from Summit Racing.Magnaflow high flow direct fir for less than $100.00 shipped.

[slipnfall]

Direct fit? Huh... I should have looked there first.

[slipnfall]

Sorry but all I see on Summit are universals and OE replacments, which must be what you bought...

[ddgsxr504]

thank you for the info.I didnt thik it would be that hard to do

Are you serious, what's so hard about that?? It's like 4 F'ing bolts, you have a long road ahead of you my friend if that kicked your @ss.

[FSUDrifter]

i know this is a little old, but i was wondering how the ebay "cat" turned out. how does it sound? notice any difference in power? did everything match up?

I was thinkin about getting one, i'm not really concerned about emissions.

[Red coupe]

Are you serious, what's so hard about that?? It's like 4 F'ing bolts, you have a long road ahead of you my friend if that kicked your @ss.

Read what you quoted man he said he didnt think it was gonna be hard...

[kraziematt]

was not hard the sound is deeper and can feel a difference at high rpm. it is worth the money especially if you are going to get a turbo some time in the future less back pressure more hp.

[FSUDrifter]

cool thanks for the info... could you tell me which one you got on ebay or who the seller is?

[kraziematt]

i will give me a couple days to look it up.