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Discussion Starter · #1 ·
Just a quick question. Yesterday I received a 3 inch cat back from dynomax that I ordered. I can't install it yet because my car is in the shop getting the tick fixed. The question I have is what gains should I see from the 3 inch compared to the stock set up w/flowmasters that I have now?
 

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Night Trains Daddy
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10-20 hp I believe...most of the gain will be audible however :)
 

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Discussion Starter · #5 ·
I got it from streetfly.com it was $411 delivered.
 

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Discussion Starter · #6 ·
I also have a pro chamber waiting in the closet for when I get the car back.
 

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jiocco, thanks for the info. I have Dynomax Dynoflow mufflers and I am looking for the 3" piping for the cat-back.
 

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Discussion Starter · #9 ·
its a dynomax 3 inch cat back with ultra flo welded mufflers
 
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