IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

Quad exhaust tips recommendation for Invidia Q300 axle back

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Old 05-27-21, 04:07 PM
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gamma113
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Default Quad exhaust tips recommendation for Invidia Q300 axle back

Hi,

I am currently running Invidia Q300 exhaust system with dual tips. I am considering to replace it with quad tips staggered setup. Has anyone done the swap? What inlet and outlet size of the tip should I get?
Old 05-27-21, 05:57 PM
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Answer
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Depends on your diffuser... you can easily fit dual 4" tips with the 201+ diffuser
Old 05-27-21, 06:23 PM
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LexISAWD
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Recently just had quad tips welded on to my q300 exhaust. Tips are 3 inches. Just go to any exhaust shop and they should be able to weld quads on for you. You do need the 2017+ rear diffuser though or an aftermarket.



Old 05-27-21, 07:38 PM
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gamma113
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Originally Posted by LexISAWD
Recently just had quad tips welded on to my q300 exhaust. Tips are 3 inches. Just go to any exhaust shop and they should be able to weld quads on for you. You do need the 2017+ rear diffuser though or an aftermarket.



​​​​​​Looking very nice! I have purchased rear carbon diffuser. It fit better with the quad exhaust tips. I am looking to get 3.5 inches tips. Do you know your inlet pipe size?



​​​​​​
Old 05-27-21, 08:22 PM
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LexISAWD
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Originally Posted by gamma113
​​​​​​Looking very nice! I have purchased rear carbon diffuser. It fit better with the quad exhaust tips. I am looking to get 3.5 inches tips. Do you know your inlet pipe size?



​​​​​​

Thank you 😊 but I take that back mine are 3.5 inches as well. I almost went with 3 inch but looked too small. I believe it said inlet is 60mm when I was buying the q300. I think the IS looks much better with quads. Especially the 2017+ that have the oem square ugly tips
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