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invidia q300 help!

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Old

Apr 6, 2026 | 03:11 PM

#1

rohanshah

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9th Gear

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invidia q300 help!

Hope everyone is doing well,

I am about to purchase a used Invidia Q300 Quad Rolled S.S. Tips Axle back Exhaust from Facebook Marketplace for my 2020 IS350. The only problem is that it does not come with any hardware or gaskets. Does anyone know what hardware and gaskets I may need for this install? From what I have heard so far, the OEM gaskets don't work, and I would need new donut gaskets, but I do not know the size or what gasket to buy.

Any help would be appreciated.

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Old

Apr 7, 2026 | 01:43 PM

#2

JCMikulak

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Joined: Feb 2024

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From: Nevada

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I'd just contact Invidia and ask them to sell you the hardware and gaskets...

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Old

Apr 9, 2026 | 06:48 AM

#3

rohanshah

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Joined: Mar 2026

Posts: 9

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Thanks, i just ended up using the oem donut gaskets and it works fine.

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