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Hi Flo Cat

OoskylineoO

By OoskylineoO,
in Engines & Forced Induction

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OoskylineoO Experienced

OoskylineoO

Posted
Posted

hey guys, i ahve a question,

i am getting a 2.5'' catbak and a hi flo cat, would it be a major problem if i got a 3''cat?

does a 3''cat mean the whole thing is bigger than a 2.5''cat or does it jus mean the size of the piping to suit?

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GTS4WD Grand Master

GTS4WD

Posted
Posted
so if i buy a cat i best look 4 a 2.5'' 1? flanged or weld on? dosent matteR?

wat about metal core cats? are they any better?

Yes if you weld it it will be ok as long as the flanges match.

Metal cats.. unless the engine is working at very high RPM or your at least pushing 200kw.. dont bother.. you will see absolutely no gain..

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GTS4WD Grand Master

GTS4WD

Posted
Posted

Yip.. dont bother.. on such low pwer applications it will not help

Theres the ghetto way and knock the contents out of the cat - this will lead to black buildup on the rear bar.. louder exhaust tone according to applications and mods.. and occasionally small flames out of the exhaust..

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