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Id like to eliminate or put on a high flow cat on my 06 ST. im looking for the easiest and least expensive way, without setting off a check engine light if there is a sensor after it. I dont have emmissions in the county i live in, so that wont be an issue

thanks in advance
 

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Id like to eliminate or put on a high flow cat on my 06 ST. im looking for the easiest and least expensive way, without setting off a check engine light if there is a sensor after it. I dont have emmissions in the county i live in, so that wont be an issue

thanks in advance
Actually, if you REMOVE your cat you WILL have a problem. Even though you do not have to pass an I/M inspection out in Windber you are subjected to a "visual anti-tampering inspection" as part of your safety inspection. The removal of your CAT will cause you to fail and you will not get your safety sticker.
 

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does the second cat cause a lot of restriction? jw if I should cut out my second cat or not.
 

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Actually, if you REMOVE your cat you WILL have a problem. Even though you do not have to pass an I/M inspection out in Windber you are subjected to a "visual anti-tampering inspection" as part of your safety inspection. The removal of your CAT will cause you to fail and you will not get your safety sticker.
That sucks.
 

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Manifold/converter is all one!

Id like to eliminate or put on a high flow cat on my 06 ST. im looking for the easiest and least expensive way, without setting off a check engine light if there is a sensor after it. I dont have emmissions in the county i live in, so that wont be an issue

thanks in advance
Your converter is part of the manifold! So if you want to elimanate your converter that mean's, you'll need a header & a flex pipe! You can elimanate the smaller converter after the flex pipe, w/ no issue's thou. Out of all the foci, manifold/converter set up, from what I've seen, the ST's combo is the best flowing, compared to the log style on the 2.0L's. If you go w/ a header/flexpipe combo, it is best w/ a tune= you can turn off the check engine light! I would probilily say it's going to be louder, so it would be work best w/ Focuswerk's "Stealth" system. To do it right the 1st time is going to cost 'bout $400-$500= do it once, & be done w/ it!
 
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