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Discussion Starter #1
i just did had the muffler removed and had a straigh pipe installed.


with the cat in place, there is only a little difference in sound.


would it make a big differents if i when to a 4" system?


i live in NY. so i'm asumming that i need to have the cat in place.


vin
 

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Krash610


Yes a 4" system will make a big difference even with the cat in place. You will have a much larger and more aggressive sound as well as losing around 200 degrees on your egt's.


MB
 

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MBRP said:
Krash610


Yes a 4" system will make a big difference even with the cat in place. You will have a much larger and more aggressive sound as well as losing around 200 degrees on your egt's.


MB

What?



I guess if you include gutting the cat as part of the muffler installation
 

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Yes a 4in straight piped truck is loud. i have it and love it. but do you all have emition testing in NY? if not then you can remove the cat. if you do well then i guess it needs to stay on.
 

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Discussion Starter #6
unfortunatly i live in th metro area. so i have emission testing.
 
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