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Discussion Starter · #1 ·

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If you haven't looked yet, the cat is welding onto the exhaust manifold. usually theyr'e sold as one unit.:)
 

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Discussion Starter · #3 ·
i am planing to replace the entire exhaust system with a bigger one and with a 4-2-1 manifold for better flow and more power and i want a bigger cat so it will not restrict exhaust flow and i dont understand what would make that only for the 1.5 engine

and yes i know that stock cats are weilded to the mainifold
 

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I went with a "random technoloy" cat. It was about 2 bones but I don't any codes or issues. It's also ss 2.25 like the exhaust setup offered at evofusion. You'll have to lengthen your o2 wires.:D
 

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since you are going with a header and custom exhaust have you considered a magnaflow cat. they are weld in style and come in a variety of lengths and pipe size. you just have to match the length of the cat you have.
 
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