Hybrid Technology Unique topics related to the GS450H model hybrid drivetrain and other features/options found only on the GS450H. Please use the main 4GS forum for discussion about shared components with other fourth generation GS models.

Performance Mods?

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Mar 18, 2018 | 03:56 PM

#1

Calsenator

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Driver School Candidate

Joined: Nov 2016

Posts: 13

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From: CA

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Performance Mods?

Just wanted to see if anyone has done performance changes on their 450h? seems to be only a air filter change and even thats a debate on if it actually works or damages your car( any feedback for hybrids?). Or any mods to the sound generator to make the engine sound louder?

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