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HR31-PASSAGE

Best Cat Converter To Use?

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I've got a xforce cat on the car at the moment which sucks, and i want to replace it with a venom 5" cat which has 3" inlet and outlet.

My car has a 3" dump pipe to a 3.5" cat back exhaust, will the cat bolt up fine to the 3.5" catback?

And would i likely be able to just bolt it up in place of the old cat without having to modifly the exhaust height or anything?

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3 minutes ago, dyl33 said:

I've got a xforce cat on the car at the moment which sucks, and i want to replace it with a venom 5" cat which has 3" inlet and outlet.

My car has a 3" dump pipe to a 3.5" cat back exhaust, will the cat bolt up fine to the 3.5" catback?

And would i likely be able to just bolt it up in place of the old cat without having to modifly the exhaust height or anything?

I'm going to say no, welding will need to be involved.

Why go from 3.5 to 3 to 3.5

If you want venom go > https://www.mrcperformance.com.au/venom-exhaust-stainless-100-cell-high-flow-3.5-cat?gclid=CjwKCAjwiaX8BRBZEiwAQQxGxyLrz7Uhgi0evqY_SFXQ12s0NaB7AXUVbi-dwFF1FAYwwkxrk8L8ixoCS5AQAvD_BwE

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Ok thanks, they offer a bolt-on cat https://www.ebay.com.au/itm/3-VENOM-High-Flow-Cat-Suits-Nissan-Skyline-R32-R33-R34-GTST-GTR-S13-C33-A31-/251462134106 was hoping it might just bolt up and good to go.

My current dump pipe is 3" to a 3.5" exhauat, didn't see the 3.5" cats but rather avoid going to a exhaust shop if i can. But 3.5" would be better. 🤔

 

Edited by dyl33
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