[Euro] best mods for money

Ive got a Metal Cat, Got it put on the same time as my headers, couldnt tell you exactly how much the cat gained.

Both the headers & Cat gave noticeable top end gain

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Originally Posted by aaronng

Worth getting the high flow cat IF you have intake, headers and exhaust. If any of those 3 parts were stock, then you should make the cat be the last mod after the 3.

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Agreed.

On it's own, it's not going to make a right lot of difference. It's about optimising a completely reworked exhaust.

Yeah because a hiflow cat wont do anything if the rest of the exhaust is restrictive. It will just be a bottle-neck.

maybe get hiflow cat when you put JDM header on.

^^ :thumbsup: yup, I forgot about that. Luckily 350G mentioned it. When you get a JDM header, the length of the stock cat is not correct and you need to either cut and reweld to the right length or get a highflow cat. So do it then.