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

3IS Single Exit

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Old Jul 24, 2023 | 12:05 AM
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Default 3IS Single Exit

i'm running a seibon diffuser on my 3rd gen and noticed it sticks out more than oem resulting in the exhaust not sticking out but rather hides under the diffuser now. i plan on just making a custom axleback and was thinking has anyone done a single exit on a 3rd gen?
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Old Jul 24, 2023 | 08:36 AM
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Originally Posted by 17195
i'm running a seibon diffuser on my 3rd gen and noticed it sticks out more than oem resulting in the exhaust not sticking out but rather hides under the diffuser now. i plan on just making a custom axleback and was thinking has anyone done a single exit on a 3rd gen?
Which model are you driving?

As far as I understand, you'd need a totally custom setup. All models of the 3IS come with a dual-exit exhaust; the V-6 and V-8 models have true dual exhausts.
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Old Jul 24, 2023 | 10:32 PM
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2014 IS250 FSport, PPE Headers, Tsudo Midpipe, Magnaflow axleback is the current setup
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Old Jul 25, 2023 | 07:13 PM
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A local exhaust or muffler shop could easily do this for you. The "hard" part would be a diffuser with only one cutout for an exhaust tip. This would have to be custom, or maybe someone out there makes one, but none to my knowledge.
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Old Jul 27, 2023 | 11:42 PM
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Ahh I see thank you so much
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