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Discussion Starter #1
i am installing an mbrp 4" on my 06 i just wanted to know what the advantages ? disadvantages to deleting the cat.....
egt's?power?sound?
thanx in advance
 

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oh k i have straight 4 inch and its sounds good its is louder and the egts will drop if you have gauges then you'll see that.... power you cant really tell i also have a down loader so i couldn't be able to tell you a stock to performance never had the chance i got the truck then had the pipes put on but also you should be good with emissions because you have an 06... 06 and older dont have emissions well in my state at least i haven't got messed with and i blow a good bit of smoke when i drive and never been messed with mabe were i live but there not that strickd around here you should be fine any more ?s just ask:ford:
 
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